GeForce Go 6400 vs Radeon HD 6950

Place in the ranking	561	1470
Place by popularity	not in top-100	not in top-100
Cost-effectiveness evaluation	1.11	no data
Power efficiency	2.32	no data
Architecture	TeraScale 3 (2010−2013)	Curie (2003−2013)
GPU code name	Cayman	NV44 A2
Market segment	Desktop	Laptop
Design	reference	no data
Release date	14 December 2010 (14 years ago)	1 February 2006 (18 years ago)
Launch price (MSRP)	$299	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	1408	7
Core clock speed	no data	400 MHz
Boost clock speed	800 MHz	400 MHz
Number of transistors	2,640 million	75 million
Manufacturing process technology	40 nm	110 nm
Power consumption (TDP)	500 Watt	no data
Texture fill rate	70.40	1.600
Floating-point processing power	2.253 TFLOPS	no data
ROPs	32	2
TMUs	88	4

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 1.0 x16
Length	267 mm	no data
Width	2-slot	no data
Supplementary power connectors	2x 6-pin	no data

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	DDR
Maximum RAM amount	2 GB	32 MB
Memory bus width	256 Bit	64 Bit
Memory clock speed	1250 MHz	350 MHz
Memory bandwidth	no data	5.6 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	2x DVI, 1x HDMI, 2x mini-DisplayPort	No outputs
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	9.0c (9_3)
Shader Model	5.0	3.0
OpenGL	4.4	2.1
OpenCL	1.2	N/A
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 6950 6.76
+11167%

Go 6400 0.06

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 6950 2606
+10758%

Go 6400 24

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

2−3

+0%

2−3

+0%

Full HD
Medium Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	2−3 +0%	2−3 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Hitman 3	4−5 +0%	4−5 +0%
Horizon Zero Dawn	8−9 +0%	8−9 +0%
Shadow of the Tomb Raider	4−5 +0%	4−5 +0%
Watch Dogs: Legion	27−30 +0%	27−30 +0%

Full HD
High Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	2−3 +0%	2−3 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Hitman 3	4−5 +0%	4−5 +0%
Horizon Zero Dawn	8−9 +0%	8−9 +0%
Shadow of the Tomb Raider	4−5 +0%	4−5 +0%
The Witcher 3: Wild Hunt	9−10 +0%	9−10 +0%
Watch Dogs: Legion	27−30 +0%	27−30 +0%

Full HD
Ultra Preset

Assassin's Creed Odyssey	3−4 +0%	3−4 +0%
Call of Duty: Modern Warfare	2−3 +0%	2−3 +0%
Cyberpunk 2077	2−3 +0%	2−3 +0%
Hitman 3	4−5 +0%	4−5 +0%
Horizon Zero Dawn	8−9 +0%	8−9 +0%
Shadow of the Tomb Raider	4−5 +0%	4−5 +0%
The Witcher 3: Wild Hunt	9−10 +0%	9−10 +0%
Watch Dogs: Legion	27−30 +0%	27−30 +0%

1440p
Ultra Preset

Cyberpunk 2077	0−1	0−1
Hitman 3	6−7 +0%	6−7 +0%
Horizon Zero Dawn	2−3 +0%	2−3 +0%

1440p
Epic Preset

Red Dead Redemption 2

2−3

+0%

2−3

+0%

4K
Ultra Preset

Assassin's Creed Odyssey	1−2 +0%	1−2 +0%
Assassin's Creed Valhalla	0−1	0−1

4K
Epic Preset

Red Dead Redemption 2

2−3

+0%

2−3

+0%

All in all, in popular games:

there's a draw in 29 tests (100%)

Pros & cons summary

Performance score	6.76	0.06
Recency	14 December 2010	1 February 2006
Maximum RAM amount	2 GB	32 MB
Chip lithography	40 nm	110 nm

HD 6950 has a 11166.7% higher aggregate performance score, an age advantage of 4 years, a 6300% higher maximum VRAM amount, and a 175% more advanced lithography process.

The Radeon HD 6950 is our recommended choice as it beats the GeForce Go 6400 in performance tests.

Be aware that Radeon HD 6950 is a desktop card while GeForce Go 6400 is a notebook one.

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