Radeon HD 6870 vs R9 270X
Aggregated performance score
R9 270X outperforms HD 6870 by a whopping 120% based on our aggregated benchmark results.
Primary details
GPU architecture, market segment, value for money and other general parameters compared.
| Place in performance ranking | 366 | 562 |
| Place by popularity | not in top-100 | not in top-100 |
| Cost-effectiveness evaluation | 4.53 | 0.36 |
| Architecture | GCN (2011−2017) | Terascale 2 (2009−2015) |
| GPU code name | Curacao XT | RV940 Barts |
| Market segment | Desktop | Desktop |
| Design | reference | reference |
| Release date | 8 October 2013 (10 years ago) | 22 October 2010 (13 years ago) |
| Launch price (MSRP) | $199 | $239 |
| Current price | $136 (0.7x MSRP) | $332 (1.4x MSRP) |
Cost-effectiveness evaluation
Performance to price ratio. The higher, the better.
R9 270X has 1158% better value for money than HD 6870.
Detailed specifications
General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.
| Pipelines / CUDA cores | 1280 | 1120 |
| Boost clock speed | 1050 MHz | 900 MHz |
| Number of transistors | 2,800 million | 1,700 million |
| Manufacturing process technology | 28 nm | 40 nm |
| Power consumption (TDP) | 180 Watt | 151 Watt |
| Texture fill rate | 84.00 | 50.40 |
| Floating-point performance | 2,688 gflops | 2,016.0 gflops |
Form factor & compatibility
Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).
| Bus support | PCIe 3.0 | PCIe 2.0 x16 |
| Interface | PCIe 3.0 x16 | PCIe 2.0 x16 |
| Length | no data | 220 mm |
| Width | 2-slot | 2-slot |
| Supplementary power connectors | 2 x 6-pin | 2x 6-pin |
VRAM capacity and type
Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.
| Memory type | GDDR5 | GDDR5 |
| Maximum RAM amount | 4 GB | 1 GB |
| Memory bus width | 256 Bit | 256 Bit |
| Memory clock speed | no data | 1050 MHz |
| Memory bandwidth | 179.2 GB/s | 134.4 GB/s |
| Shared memory | - | - |
Connectivity and outputs
Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.
| Display Connectors | 2x DVI, 1x HDMI, 1x DisplayPort | 2x DVI, 1x HDMI, 2x mini-DisplayPort |
| Eyefinity | + | 1 |
| HDMI | + | + |
| DisplayPort support | + | - |
Supported technologies
Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.
| AppAcceleration | + | - |
| CrossFire | 1 | 1 |
| Enduro | - | - |
| FreeSync | 1 | no data |
| HD3D | + | - |
| LiquidVR | 1 | no data |
| PowerTune | - | - |
| TressFX | 1 | no data |
| TrueAudio | + | - |
| ZeroCore | - | - |
| UVD | + | no data |
| DDMA audio | + | no data |
API compatibility
List of supported graphics and general-purpose computing APIs, including their specific versions.
| DirectX | DirectX® 12 | DirectX® 11 |
| Shader Model | 5.1 | 5.0 |
| OpenGL | 4.6 | 4.4 |
| OpenCL | 1.2 | 1.2 |
| Vulkan | + | no data |
| Mantle | - | - |
Synthetic benchmark performance
Non-gaming benchmark performance comparison. The combined score is measured on a 0-100 point scale.
Combined synthetic benchmark score
This is our combined benchmark performance score. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.
R9 270X outperforms HD 6870 by 120% based on our aggregated benchmark results.
Passmark
This is the most ubiquitous GPU benchmark, part of Passmark PerformanceTest suite. It gives the graphics card a thorough evaluation under various types of load, providing four separate benchmarks for Direct3D versions 9, 10, 11 and 12 (the last being done in 4K resolution if possible), and few more tests engaging DirectCompute capabilities.
Benchmark coverage: 25%
R9 270X outperforms HD 6870 by 120% in Passmark.
3DMark Fire Strike Graphics
Fire Strike is a DirectX 11 benchmark for gaming PCs. It features two separate tests displaying a fight between a humanoid and a fiery creature made of lava. Using 1920x1080 resolution, Fire Strike shows off some realistic graphics and is quite taxing on hardware.
Benchmark coverage: 14%
R9 270X outperforms HD 6870 by 109% in 3DMark Fire Strike Graphics.
Gaming performance
Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.
Average FPS across all PC games
Here are the average frames per second in a large set of popular games across different resolutions:
| 900p | 120−130
+111%
| 57
−111%
|
| Full HD | 130−140
+106%
| 63
−106%
|
| 1200p | 85−90
+118%
| 39
−118%
|
FPS performance in popular games
Full HD
Low Preset
| Cyberpunk 2077 | 20−22
+122%
|
9−10
−122%
|
Full HD
Medium Preset
| Assassin's Creed Odyssey | 27−30
+145%
|
10−12
−145%
|
| Assassin's Creed Valhalla | 20−22
+233%
|
6−7
−233%
|
| Battlefield 5 | 40−45
+139%
|
18−20
−139%
|
| Call of Duty: Modern Warfare | 30−35
+83.3%
|
18−20
−83.3%
|
| Cyberpunk 2077 | 20−22
+122%
|
9−10
−122%
|
| Far Cry 5 | 30−35
+146%
|
12−14
−146%
|
| Far Cry New Dawn | 30−35
+162%
|
12−14
−162%
|
| Forza Horizon 4 | 45−50
+137%
|
18−20
−137%
|
| Hitman 3 | 30−35
+162%
|
12−14
−162%
|
| Horizon Zero Dawn | 24−27
+136%
|
10−12
−136%
|
| Red Dead Redemption 2 | 21−24
+90.9%
|
10−12
−90.9%
|
| Shadow of the Tomb Raider | 24−27
+85.7%
|
14−16
−85.7%
|
| Watch Dogs: Legion | 21−24
+188%
|
8−9
−188%
|
Full HD
High Preset
| Assassin's Creed Odyssey | 27−30
+145%
|
10−12
−145%
|
| Assassin's Creed Valhalla | 20−22
+233%
|
6−7
−233%
|
| Battlefield 5 | 40−45
+139%
|
18−20
−139%
|
| Call of Duty: Modern Warfare | 30−35
+83.3%
|
18−20
−83.3%
|
| Cyberpunk 2077 | 20−22
+122%
|
9−10
−122%
|
| Far Cry 5 | 30−35
+146%
|
12−14
−146%
|
| Far Cry New Dawn | 30−35
+162%
|
12−14
−162%
|
| Forza Horizon 4 | 45−50
+137%
|
18−20
−137%
|
| Hitman 3 | 30−35
+162%
|
12−14
−162%
|
| Horizon Zero Dawn | 24−27
+136%
|
10−12
−136%
|
| Metro Exodus | 18−20
+138%
|
8−9
−138%
|
| Red Dead Redemption 2 | 21−24
+90.9%
|
10−12
−90.9%
|
| Shadow of the Tomb Raider | 24−27
+85.7%
|
14−16
−85.7%
|
| The Witcher 3: Wild Hunt | 24−27
+117%
|
12−14
−117%
|
| Watch Dogs: Legion | 21−24
+188%
|
8−9
−188%
|
Full HD
Ultra Preset
| Assassin's Creed Odyssey | 27−30
+145%
|
10−12
−145%
|
| Assassin's Creed Valhalla | 20−22
+233%
|
6−7
−233%
|
| Battlefield 5 | 40−45
+139%
|
18−20
−139%
|
| Cyberpunk 2077 | 20−22
+122%
|
9−10
−122%
|
| Far Cry 5 | 30−35
+146%
|
12−14
−146%
|
| Far Cry New Dawn | 30−35
+162%
|
12−14
−162%
|
| Forza Horizon 4 | 45−50
+137%
|
18−20
−137%
|
| The Witcher 3: Wild Hunt | 24−27
+117%
|
12−14
−117%
|
| Watch Dogs: Legion | 21−24
+188%
|
8−9
−188%
|
1440p
High Preset
| Call of Duty: Modern Warfare | 18−20
+100%
|
9−10
−100%
|
| Hitman 3 | 20−22
+122%
|
9−10
−122%
|
| Horizon Zero Dawn | 18−20
+50%
|
12−14
−50%
|
| Metro Exodus | 10−12
+175%
|
4−5
−175%
|
| Red Dead Redemption 2 | 9−10
+125%
|
4−5
−125%
|
| Shadow of the Tomb Raider | 16−18
+77.8%
|
9−10
−77.8%
|
1440p
Ultra Preset
| Assassin's Creed Odyssey | 12−14
+225%
|
4−5
−225%
|
| Assassin's Creed Valhalla | 9−10 | 0−1 |
| Battlefield 5 | 24−27
+733%
|
3−4
−733%
|
| Cyberpunk 2077 | 6−7
+100%
|
3−4
−100%
|
| Far Cry 5 | 20−22
+122%
|
9−10
−122%
|
| Far Cry New Dawn | 21−24
+267%
|
6−7
−267%
|
| Forza Horizon 4 | 24−27
+200%
|
8−9
−200%
|
| The Witcher 3: Wild Hunt | 12−14
+140%
|
5−6
−140%
|
| Watch Dogs: Legion | 7−8
+600%
|
1−2
−600%
|
4K
High Preset
| Call of Duty: Modern Warfare | 9−10
+125%
|
4−5
−125%
|
| Hitman 3 | 12−14
+140%
|
5−6
−140%
|
| Horizon Zero Dawn | 9−10
+28.6%
|
7−8
−28.6%
|
| Metro Exodus | 6−7 | 0−1 |
| Red Dead Redemption 2 | 7−8
+133%
|
3−4
−133%
|
| Shadow of the Tomb Raider | 7−8
+250%
|
2−3
−250%
|
| The Witcher 3: Wild Hunt | 10−12
+450%
|
2−3
−450%
|
4K
Ultra Preset
| Assassin's Creed Odyssey | 7−8
+133%
|
3−4
−133%
|
| Assassin's Creed Valhalla | 6−7
+200%
|
2−3
−200%
|
| Battlefield 5 | 12−14
+1100%
|
1−2
−1100%
|
| Cyberpunk 2077 | 2−3 | 0−1 |
| Far Cry 5 | 10−11
+100%
|
5−6
−100%
|
| Far Cry New Dawn | 12−14
+62.5%
|
8−9
−62.5%
|
| Forza Horizon 4 | 16−18
+240%
|
5−6
−240%
|
| Watch Dogs: Legion | 4−5
+300%
|
1−2
−300%
|
This is how R9 270X and HD 6870 compete in popular games:
- R9 270X is 111% faster in 900p
- R9 270X is 106% faster in 1080p
- R9 270X is 118% faster in 1200p
Here's the range of performance differences observed across popular games:
- in Battlefield 5, with 4K resolution and the Ultra Preset, the R9 270X is 1100% faster than the HD 6870.
All in all, in popular games:
- Without exception, R9 270X surpassed HD 6870 in all 65 of our tests.
Pros & cons summary
| Performance score | 12.64 | 5.74 |
| Recency | 8 October 2013 | 22 October 2010 |
| Cost | $199 | $239 |
| Maximum RAM amount | 4 GB | 1 GB |
| Chip lithography | 28 nm | 40 nm |
| Power consumption (TDP) | 180 Watt | 151 Watt |
The Radeon R9 270X is our recommended choice as it beats the Radeon HD 6870 in performance tests.
Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.
Comparisons with similar GPUs
We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.
