Radeon HD 6790 vs R9 390

VS

Aggregate performance score

We've compared Radeon R9 390 and Radeon HD 6790, covering specs and all relevant benchmarks.

R9 390
2015
0 MB GDDR5, 275 Watt
23.11
+449%

R9 390 outperforms HD 6790 by a whopping 449% based on our aggregate benchmark results.

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in the ranking242684
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation11.770.86
Power efficiency5.761.92
ArchitectureGCN 2.0 (2013−2017)TeraScale 2 (2009−2015)
GPU code nameGrenadaBarts
Market segmentDesktopDesktop
Designreferenceno data
Release date18 June 2015 (9 years ago)4 April 2011 (13 years ago)
Launch price (MSRP)$329 $149

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

R9 390 has 1269% better value for money than HD 6790.

Detailed specifications

General parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores2560800
Core clock speedno data840 MHz
Boost clock speed1000 MHzno data
Number of transistors6,200 million1,700 million
Manufacturing process technology28 nm40 nm
Power consumption (TDP)275 Watt150 Watt
Texture fill rate160.033.60
Floating-point processing power5.12 TFLOPS1.344 TFLOPS
ROPs6416
TMUs16040

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 supportPCIe 3.0no data
InterfacePCIe 3.0 x16PCIe 2.0 x16
Length275 mm198 mm
Width2-slot2-slot
Supplementary power connectors1 x 6-pin, 1 x 8-pin2x 6-pin
Bridgeless CrossFire+-

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 typeGDDR5GDDR5
High bandwidth memory (HBM)-no data
Maximum RAM amount0 MB1 GB
Memory bus width512 Bit256 Bit
Memory clock speed1000 MHz1050 MHz
Memory bandwidth384 GB/s134.4 GB/s

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 Connectors2x DVI, 1x HDMI, 1x DisplayPort2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity+-
Number of Eyefinity displays6no data
HDMI++
DisplayPort support+-

Supported technologies

Supported technological solutions. This information will prove useful if you need some particular technology for your purposes.

CrossFire+-
FreeSync+-
PowerTune+-
TrueAudio+-
VCE+-
DDMA audio+no data

API compatibility

List of supported 3D and general-purpose computing APIs, including their specific versions.

DirectXDirectX® 1211.2 (11_0)
Shader Model6.35.0
OpenGL4.64.4
OpenCL2.01.2
Vulkan+N/A
Mantle+-

Synthetic benchmark performance

Non-gaming benchmark results comparison. The combined score is measured on a 0-100 point scale.


Combined synthetic benchmark score

This is our combined benchmark 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 390 23.11
+449%
HD 6790 4.21

Passmark

This is the most ubiquitous GPU benchmark. 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.

R9 390 8904
+449%
HD 6790 1621

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.

R9 390 12730
+492%
HD 6790 2150

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:

900p280−290
+438%
52
−438%
Full HD300−350
+400%
60
−400%

Cost per frame, $

1080p1.102.48

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077 7−8
+0%
7−8
+0%

Full HD
Medium Preset

Assassin's Creed Odyssey 12−14
+0%
12−14
+0%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Battlefield 5 10−11
+0%
10−11
+0%
Call of Duty: Modern Warfare 9−10
+0%
9−10
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 9−10
+0%
9−10
+0%
Far Cry New Dawn 12−14
+0%
12−14
+0%
Forza Horizon 4 24−27
+0%
24−27
+0%
Hitman 3 10−11
+0%
10−11
+0%
Horizon Zero Dawn 27−30
+0%
27−30
+0%
Metro Exodus 8−9
+0%
8−9
+0%
Red Dead Redemption 2 10−12
+0%
10−12
+0%
Shadow of the Tomb Raider 16−18
+0%
16−18
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
High Preset

Assassin's Creed Odyssey 12−14
+0%
12−14
+0%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Battlefield 5 10−11
+0%
10−11
+0%
Call of Duty: Modern Warfare 9−10
+0%
9−10
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 9−10
+0%
9−10
+0%
Far Cry New Dawn 12−14
+0%
12−14
+0%
Forza Horizon 4 24−27
+0%
24−27
+0%
Hitman 3 10−11
+0%
10−11
+0%
Horizon Zero Dawn 27−30
+0%
27−30
+0%
Metro Exodus 8−9
+0%
8−9
+0%
Red Dead Redemption 2 10−12
+0%
10−12
+0%
Shadow of the Tomb Raider 16−18
+0%
16−18
+0%
The Witcher 3: Wild Hunt 16−18
+0%
16−18
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
Ultra Preset

Assassin's Creed Odyssey 12−14
+0%
12−14
+0%
Assassin's Creed Valhalla 3−4
+0%
3−4
+0%
Call of Duty: Modern Warfare 9−10
+0%
9−10
+0%
Cyberpunk 2077 7−8
+0%
7−8
+0%
Far Cry 5 9−10
+0%
9−10
+0%
Forza Horizon 4 24−27
+0%
24−27
+0%
Hitman 3 10−11
+0%
10−11
+0%
Horizon Zero Dawn 27−30
+0%
27−30
+0%
Shadow of the Tomb Raider 16−18
+0%
16−18
+0%
The Witcher 3: Wild Hunt 16−18
+0%
16−18
+0%
Watch Dogs: Legion 40−45
+0%
40−45
+0%

Full HD
Epic Preset

Red Dead Redemption 2 10−12
+0%
10−12
+0%

1440p
High Preset

Battlefield 5 8−9
+0%
8−9
+0%
Far Cry New Dawn 6−7
+0%
6−7
+0%

1440p
Ultra Preset

Assassin's Creed Odyssey 4−5
+0%
4−5
+0%
Call of Duty: Modern Warfare 3−4
+0%
3−4
+0%
Cyberpunk 2077 2−3
+0%
2−3
+0%
Far Cry 5 5−6
+0%
5−6
+0%
Forza Horizon 4 6−7
+0%
6−7
+0%
Hitman 3 9−10
+0%
9−10
+0%
Horizon Zero Dawn 10−11
+0%
10−11
+0%
Metro Exodus 0−1 0−1
The Witcher 3: Wild Hunt 3−4
+0%
3−4
+0%
Watch Dogs: Legion 24−27
+0%
24−27
+0%

1440p
Epic Preset

Red Dead Redemption 2 8−9
+0%
8−9
+0%

4K
High Preset

Battlefield 5 3−4
+0%
3−4
+0%
Far Cry New Dawn 3−4
+0%
3−4
+0%
Hitman 3 0−1 0−1
Horizon Zero Dawn 1−2
+0%
1−2
+0%
Metro Exodus 1−2
+0%
1−2
+0%

4K
Ultra Preset

Assassin's Creed Odyssey 3−4
+0%
3−4
+0%
Assassin's Creed Valhalla 2−3
+0%
2−3
+0%
Call of Duty: Modern Warfare 2−3
+0%
2−3
+0%
Cyberpunk 2077 0−1 0−1
Far Cry 5 2−3
+0%
2−3
+0%
Forza Horizon 4 3−4
+0%
3−4
+0%
Watch Dogs: Legion 1−2
+0%
1−2
+0%

4K
Epic Preset

Red Dead Redemption 2 5−6
+0%
5−6
+0%

This is how R9 390 and HD 6790 compete in popular games:

  • R9 390 is 438% faster in 900p
  • R9 390 is 400% faster in 1080p

All in all, in popular games:

  • there's a draw in 65 tests (100%)

Pros & cons summary


Performance score 23.11 4.21
Recency 18 June 2015 4 April 2011
Chip lithography 28 nm 40 nm
Power consumption (TDP) 275 Watt 150 Watt

R9 390 has a 448.9% higher aggregate performance score, an age advantage of 4 years, and a 42.9% more advanced lithography process.

HD 6790, on the other hand, has 83.3% lower power consumption.

The Radeon R9 390 is our recommended choice as it beats the Radeon HD 6790 in performance tests.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite graphics card.


AMD Radeon R9 390
Radeon R9 390
AMD Radeon HD 6790
Radeon HD 6790

Comparisons with similar GPUs

We selected several comparisons of graphics cards with performance close to those reviewed, providing you with more options to consider.

Community ratings

Here you can see the user ratings of the compared graphics cards, as well as rate them yourself.


4.2 567 votes

Rate Radeon R9 390 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4 153 votes

Rate Radeon HD 6790 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about this comparison, agree or disagree with our judgements, or report an error or mismatch.