Radeon Pro 555X vs HD 7950

Place in the ranking	402	504
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	2.47	no data
Power efficiency	4.24	7.68
Architecture	GCN 1.0 (2011−2020)	GCN 4.0 (2016−2020)
GPU code name	Tahiti	Polaris 21
Market segment	Desktop	Mobile workstation
Design	reference	no data
Release date	31 January 2012 (12 years ago)	16 July 2018 (6 years ago)
Launch price (MSRP)	$449	no data

Cost-effectiveness evaluation

Performance to price ratio. The higher, the better.

no data

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	1792	768
Compute units	28	no data
Core clock speed	no data	907 MHz
Boost clock speed	1250 MHz	no data
Number of transistors	4,313 million	3,000 million
Manufacturing process technology	28 nm	14 nm
Power consumption (TDP)	200 Watt	75 Watt
Texture fill rate	89.60	43.54
Floating-point processing power	2.867 TFLOPS	1.393 TFLOPS
ROPs	32	16
TMUs	112	48

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).

Laptop size	no data	large
Bus support	PCIe 3.0 x16	no data
Interface	PCIe 3.0 x16	PCIe 3.0 x8
Length	267 mm	no data
Width	2-slot	no data
Supplementary power connectors	2x 6-pin	None

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	3 GB	4 GB
Memory bus width	384 Bit	128 Bit
Memory clock speed	1250 MHz	1275 MHz
Memory bandwidth	240 GB/s	81.6 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	1x DVI, 1x HDMI, 2x mini-DisplayPort	No outputs
Eyefinity	+	-
Number of Eyefinity displays	6	no data
HDMI	+	-

Supported technologies

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

AppAcceleration	+	-
CrossFire	+	-
FreeSync	+	+
PowerTune	+	-
ZeroCore	+	-

API compatibility

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

DirectX	DirectX® 11	12 (12_0)
Shader Model	5.1	6.4
OpenGL	4.6	4.6
OpenCL	1.2	2.0
Vulkan	-	1.2.131

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 7950 12.36
+47.1%

Pro 555X 8.40

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 7950 4764
+47.3%

Pro 555X 3235

Gaming performance

Let's see how good the compared graphics cards are for gaming. Particular gaming benchmark results are measured in FPS.

FPS performance in popular games

Full HD
Low Preset

Cyberpunk 2077

12−14

+0%

12−14

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	21−24 +0%	21−24 +0%
Assassin's Creed Valhalla	12−14 +0%	12−14 +0%
Battlefield 5	24−27 +0%	24−27 +0%
Call of Duty: Modern Warfare	16−18 +0%	16−18 +0%
Cyberpunk 2077	12−14 +0%	12−14 +0%
Far Cry 5	18−20 +0%	18−20 +0%
Far Cry New Dawn	21−24 +0%	21−24 +0%
Forza Horizon 4	55−60 +0%	55−60 +0%
Hitman 3	16−18 +0%	16−18 +0%
Horizon Zero Dawn	45−50 +0%	45−50 +0%
Metro Exodus	24−27 +0%	24−27 +0%
Red Dead Redemption 2	21−24 +0%	21−24 +0%
Shadow of the Tomb Raider	27−30 +0%	27−30 +0%
Watch Dogs: Legion	55−60 +0%	55−60 +0%

Full HD
High Preset

Assassin's Creed Odyssey	21−24 +0%	21−24 +0%
Assassin's Creed Valhalla	12−14 +0%	12−14 +0%
Battlefield 5	24−27 +0%	24−27 +0%
Call of Duty: Modern Warfare	16−18 +0%	16−18 +0%
Cyberpunk 2077	12−14 +0%	12−14 +0%
Far Cry 5	18−20 +0%	18−20 +0%
Far Cry New Dawn	21−24 +0%	21−24 +0%
Forza Horizon 4	55−60 +0%	55−60 +0%
Hitman 3	16−18 +0%	16−18 +0%
Horizon Zero Dawn	45−50 +0%	45−50 +0%
Metro Exodus	24−27 +0%	24−27 +0%
Red Dead Redemption 2	21−24 +0%	21−24 +0%
Shadow of the Tomb Raider	27−30 +0%	27−30 +0%
The Witcher 3: Wild Hunt	24−27 +0%	24−27 +0%
Watch Dogs: Legion	55−60 +0%	55−60 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	21−24 +0%	21−24 +0%
Assassin's Creed Valhalla	12−14 +0%	12−14 +0%
Call of Duty: Modern Warfare	16−18 +0%	16−18 +0%
Cyberpunk 2077	12−14 +0%	12−14 +0%
Far Cry 5	18−20 +0%	18−20 +0%
Forza Horizon 4	55−60 +0%	55−60 +0%
Hitman 3	16−18 +0%	16−18 +0%
Horizon Zero Dawn	45−50 +0%	45−50 +0%
Shadow of the Tomb Raider	27−30 +0%	27−30 +0%
The Witcher 3: Wild Hunt	24−27 +0%	24−27 +0%
Watch Dogs: Legion	55−60 +0%	55−60 +0%

Full HD
Epic Preset

Red Dead Redemption 2

21−24

+0%

21−24

+0%

1440p
High Preset

Battlefield 5	16−18 +0%	16−18 +0%
Far Cry New Dawn	12−14 +0%	12−14 +0%

1440p
Ultra Preset

Assassin's Creed Odyssey	8−9 +0%	8−9 +0%
Assassin's Creed Valhalla	4−5 +0%	4−5 +0%
Call of Duty: Modern Warfare	8−9 +0%	8−9 +0%
Cyberpunk 2077	4−5 +0%	4−5 +0%
Far Cry 5	10−11 +0%	10−11 +0%
Forza Horizon 4	30−35 +0%	30−35 +0%
Hitman 3	12−14 +0%	12−14 +0%
Horizon Zero Dawn	18−20 +0%	18−20 +0%
Metro Exodus	10−12 +0%	10−12 +0%
Shadow of the Tomb Raider	8−9 +0%	8−9 +0%
The Witcher 3: Wild Hunt	8−9 +0%	8−9 +0%
Watch Dogs: Legion	50−55 +0%	50−55 +0%

1440p
Epic Preset

Red Dead Redemption 2

14−16

+0%

14−16

+0%

4K
High Preset

Battlefield 5	7−8 +0%	7−8 +0%
Far Cry New Dawn	6−7 +0%	6−7 +0%
Hitman 3	4−5 +0%	4−5 +0%
Horizon Zero Dawn	30−35 +0%	30−35 +0%
Metro Exodus	6−7 +0%	6−7 +0%
The Witcher 3: Wild Hunt	5−6 +0%	5−6 +0%

4K
Ultra Preset

Assassin's Creed Odyssey	5−6 +0%	5−6 +0%
Assassin's Creed Valhalla	4−5 +0%	4−5 +0%
Call of Duty: Modern Warfare	4−5 +0%	4−5 +0%
Cyberpunk 2077	1−2 +0%	1−2 +0%
Far Cry 5	4−5 +0%	4−5 +0%
Forza Horizon 4	10−11 +0%	10−11 +0%
Shadow of the Tomb Raider	4−5 +0%	4−5 +0%
Watch Dogs: Legion	3−4 +0%	3−4 +0%

4K
Epic Preset

Red Dead Redemption 2

8−9

+0%

8−9

+0%

All in all, in popular games:

there's a draw in 72 tests (100%)

Pros & cons summary

Performance score	12.36	8.40
Recency	31 January 2012	16 July 2018
Maximum RAM amount	3 GB	4 GB
Chip lithography	28 nm	14 nm
Power consumption (TDP)	200 Watt	75 Watt

HD 7950 has a 47.1% higher aggregate performance score.

Pro 555X, on the other hand, has an age advantage of 6 years, a 33.3% higher maximum VRAM amount, a 100% more advanced lithography process, and 166.7% lower power consumption.

The Radeon HD 7950 is our recommended choice as it beats the Radeon Pro 555X in performance tests.

Be aware that Radeon HD 7950 is a desktop card while Radeon Pro 555X is a mobile workstation one.

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