ATI Radeon HD 4870 X2 vs HD 6870

Place in the ranking	594	729
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	0.93	0.13
Architecture	Terascale 2 (2009−2015)	TeraScale (2005−2013)
GPU code name	RV940 Barts	R700
Market segment	Desktop	Desktop
Design	reference	no data
Release date	22 October 2010 (13 years ago)	12 August 2008 (16 years ago)
Launch price (MSRP)	$239	$550

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

HD 6870 has 615% better value for money than ATI HD 4870 X2.

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 cores	1120	800
Core clock speed	no data	700 MHz
Boost clock speed	900 MHz	no data
Number of transistors	1,700 million	956 million
Manufacturing process technology	40 nm	55 nm
Power consumption (TDP)	151 Watt	286 Watt
Texture fill rate	50.40	28.00
Floating-point processing power	2.016 gflops	1.12 gflops
ROPs	32	16
TMUs	56	40

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 2.0 x16	no data
Interface	PCIe 2.0 x16	PCIe 2.0 x16
Length	220 mm	267 mm
Width	2-slot	2-slot
Supplementary power connectors	2x 6-pin	1x 6-pin + 1x 8-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	1 GB	1 GB
Memory bus width	256 Bit	256 Bit
Memory clock speed	1050 MHz	3600 MHz
Memory bandwidth	134.4 GB/s	115.2 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, 2x mini-DisplayPort	2x DVI, 1x S-Video
Eyefinity	+	-
HDMI	+	-

Supported technologies

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

CrossFire

API compatibility

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

DirectX	DirectX® 11	10.1 (10_1)
Shader Model	5.0	4.1
OpenGL	4.4	3.3
OpenCL	1.2	1.1
Vulkan	-	N/A

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.

HD 6870 5.75
+69.6%

ATI HD 4870 X2 3.39

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.

HD 6870 2218
+69.4%

ATI HD 4870 X2 1309

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	57 +90%	30−35 −90%
Full HD	66 +88.6%	35−40 −88.6%
1200p	39 +85.7%	21−24 −85.7%

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

9−10
+80%

5−6

−80%

Full HD
Medium Preset

Assassin's Creed Odyssey	14−16 +87.5%	8−9 −87.5%
Assassin's Creed Valhalla	7−8 +75%	4−5 −75%
Battlefield 5	16−18 +77.8%	9−10 −77.8%
Call of Duty: Modern Warfare	12−14 +71.4%	7−8 −71.4%
Cyberpunk 2077	9−10 +80%	5−6 −80%
Far Cry 5	12−14 +85.7%	7−8 −85.7%
Far Cry New Dawn	16−18 +77.8%	9−10 −77.8%
Forza Horizon 4	35−40 +76.2%	21−24 −76.2%
Hitman 3	12−14 +71.4%	7−8 −71.4%
Horizon Zero Dawn	35−40 +71.4%	21−24 −71.4%
Metro Exodus	14−16 +87.5%	8−9 −87.5%
Red Dead Redemption 2	16−18 +77.8%	9−10 −77.8%
Shadow of the Tomb Raider	20−22 +100%	10−11 −100%
Watch Dogs: Legion	45−50 +81.5%	27−30 −81.5%

Full HD
High Preset

Assassin's Creed Odyssey	14−16 +87.5%	8−9 −87.5%
Assassin's Creed Valhalla	7−8 +75%	4−5 −75%
Battlefield 5	16−18 +77.8%	9−10 −77.8%
Call of Duty: Modern Warfare	12−14 +71.4%	7−8 −71.4%
Cyberpunk 2077	9−10 +80%	5−6 −80%
Far Cry 5	12−14 +85.7%	7−8 −85.7%
Far Cry New Dawn	16−18 +77.8%	9−10 −77.8%
Forza Horizon 4	35−40 +76.2%	21−24 −76.2%
Hitman 3	12−14 +71.4%	7−8 −71.4%
Horizon Zero Dawn	35−40 +71.4%	21−24 −71.4%
Metro Exodus	14−16 +87.5%	8−9 −87.5%
Red Dead Redemption 2	16−18 +77.8%	9−10 −77.8%
Shadow of the Tomb Raider	20−22 +100%	10−11 −100%
The Witcher 3: Wild Hunt	18−20 +90%	10−11 −90%
Watch Dogs: Legion	45−50 +81.5%	27−30 −81.5%

Full HD
Ultra Preset

Assassin's Creed Odyssey	14−16 +87.5%	8−9 −87.5%
Assassin's Creed Valhalla	7−8 +75%	4−5 −75%
Call of Duty: Modern Warfare	12−14 +71.4%	7−8 −71.4%
Cyberpunk 2077	9−10 +80%	5−6 −80%
Far Cry 5	12−14 +85.7%	7−8 −85.7%
Forza Horizon 4	35−40 +76.2%	21−24 −76.2%
Hitman 3	12−14 +71.4%	7−8 −71.4%
Horizon Zero Dawn	35−40 +71.4%	21−24 −71.4%
Shadow of the Tomb Raider	20−22 +100%	10−11 −100%
The Witcher 3: Wild Hunt	18−20 +90%	10−11 −90%
Watch Dogs: Legion	45−50 +81.5%	27−30 −81.5%

Full HD
Epic Preset

Red Dead Redemption 2

16−18

+77.8%

9−10
−77.8%

1440p
High Preset

Battlefield 5	10−12 +83.3%	6−7 −83.3%
Far Cry New Dawn	9−10 +80%	5−6 −80%

1440p
Ultra Preset

Assassin's Creed Odyssey	5−6 +150%	2−3 −150%
Assassin's Creed Valhalla	1−2	0−1
Call of Duty: Modern Warfare	5−6 +150%	2−3 −150%
Cyberpunk 2077	3−4 +200%	1−2 −200%
Far Cry 5	7−8 +75%	4−5 −75%
Forza Horizon 4	16−18 +77.8%	9−10 −77.8%
Hitman 3	10−11 +100%	5−6 −100%
Horizon Zero Dawn	12−14 +85.7%	7−8 −85.7%
Metro Exodus	4−5 +100%	2−3 −100%
Shadow of the Tomb Raider	1−2	0−1
The Witcher 3: Wild Hunt	5−6 +150%	2−3 −150%
Watch Dogs: Legion	35−40 +71.4%	21−24 −71.4%

1440p
Epic Preset

Red Dead Redemption 2

10−11

+100%

5−6
−100%

4K
High Preset

Battlefield 5	4−5 +100%	2−3 −100%
Far Cry New Dawn	4−5 +100%	2−3 −100%
Hitman 3	2−3 +100%	1−2 −100%
Horizon Zero Dawn	12−14 +85.7%	7−8 −85.7%
Metro Exodus	3−4 +200%	1−2 −200%
The Witcher 3: Wild Hunt	2−3 +100%	1−2 −100%

4K
Ultra Preset

Assassin's Creed Odyssey	3−4 +200%	1−2 −200%
Assassin's Creed Valhalla	2−3 +100%	1−2 −100%
Call of Duty: Modern Warfare	2−3 +100%	1−2 −100%
Cyberpunk 2077	0−1	0−1
Far Cry 5	3−4 +200%	1−2 −200%
Forza Horizon 4	5−6 +150%	2−3 −150%
Watch Dogs: Legion	2−3 +100%	1−2 −100%

4K
Epic Preset

Red Dead Redemption 2

6−7
+100%

3−4

−100%

This is how HD 6870 and ATI HD 4870 X2 compete in popular games:

HD 6870 is 90% faster in 900p
HD 6870 is 89% faster in 1080p
HD 6870 is 86% faster in 1200p

Pros & cons summary

Performance score	5.75	3.39
Recency	22 October 2010	12 August 2008
Chip lithography	40 nm	55 nm
Power consumption (TDP)	151 Watt	286 Watt

HD 6870 has a 69.6% higher aggregate performance score, an age advantage of 2 years, a 37.5% more advanced lithography process, and 89.4% lower power consumption.

The Radeon HD 6870 is our recommended choice as it beats the Radeon HD 4870 X2 in performance tests.

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