Radeon Vega 7 vs HD 6850 X2

Place in the ranking	565	529
Place by popularity	not in top-100	39
Power efficiency	1.79	11.46
Architecture	TeraScale 2 (2009−2015)	GCN 5.1 (2018−2022)
GPU code name	Barts	Cezanne
Market segment	Desktop	Desktop
Release date	19 September 2011 (13 years ago)	13 April 2021 (3 years ago)

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	960	448
Core clock speed	800 MHz	300 MHz
Boost clock speed	no data	1900 MHz
Number of transistors	1,700 million	9,800 million
Manufacturing process technology	40 nm	7 nm
Power consumption (TDP)	254 Watt	45 Watt
Texture fill rate	38.40	53.20
Floating-point processing power	1.536 TFLOPS	1.702 TFLOPS
ROPs	32	8
TMUs	48	28

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).

Interface	PCIe 2.0 x16	IGP
Width	2-slot	IGP
Supplementary power connectors	2x 8-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	System Shared
Maximum RAM amount	2 GB	System Shared
Memory bus width	256 Bit	System Shared
Memory clock speed	1050 MHz	System Shared
Memory bandwidth	134.4 GB/s	no data
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	No outputs
HDMI	+	-

API compatibility

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

DirectX	11.2 (11_0)	12 (12_1)
Shader Model	5.0	6.4
OpenGL	4.4	4.6
OpenCL	1.2	2.1
Vulkan	N/A	1.2

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:

Full HD	18−20 −22.2%	22 +22.2%
1440p	24−27 −16.7%	28 +16.7%
4K	16−18 −25%	20 +25%

Pros & cons summary

Performance score	6.57	7.46
Recency	19 September 2011	13 April 2021
Chip lithography	40 nm	7 nm
Power consumption (TDP)	254 Watt	45 Watt

Vega 7 has a 13.5% higher aggregate performance score, an age advantage of 9 years, a 471.4% more advanced lithography process, and 464.4% lower power consumption.

The Radeon Vega 7 is our recommended choice as it beats the Radeon HD 6850 X2 in performance tests.

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