AMD Radeon HD 6850 vs AMD Radeon RX 7950 XT

VS

AMD Radeon HD 6850 AMD Radeon RX 7950 XT

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6850 and 20GB VRAM Radeon RX 7950 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6850 's Advantages

Lower TDP (127W vs 300W)

AMD Radeon RX 7950 XT 's Advantages

Boost Clock3000MHz

More VRAM (20GB vs 1GB)

Larger VRAM bandwidth (800.0GB/s vs 128.0GB/s)

4416 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 6850

1.488 TFLOPS

Radeon RX 7950 XT +4235%

64.51 TFLOPS

Radeon HD 6850

VS

Radeon RX 7950 XT

Graphics Card

Oct 2010

Release Date

Unknown

Northern Islands

Generation

Navi III

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

2000 MHz

-

Boost Clock

3000 MHz

1000 MHz

Memory Clock

2500 MHz

Memory

1024MB

Memory Size

20GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

320bit

128.0GB/s

Bandwidth

800.0GB/s

Render Config

-

SM Count

-

12

Compute Units

84

960

Shading Units

5376

48

TMUs

336

32

ROPs

192

-

Tensor Cores

-

RT Cores

84

8 KB (per CU)

L1 Cache

256 KB per Array

512 KB

L2 Cache

6 MB

Theoretical Performance

24.80 GPixel/s

Pixel Rate

576.0 GPixel/s

37.20 GTexel/s

Texture Rate

1008 GTexel/s

-

FP16 (half)

129.0 TFLOPS

1488 GFLOPS

FP32 (float)

64.51 TFLOPS

-

FP64 (double)

2.016 TFLOPS

Graphics Processor

Barts

GPU Name

Navi 31

Barts PRO (215-0798006)

GPU Variant

Navi 31 XT+

TeraScale 2

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.7 billion

Transistors

57.7 billion

255 mm²

Die Size

529 mm²

Board Design

127W

TDP

300W

300 W

Suggested PSU

700 W

2x DVI 1x HDMI 1.3a 2x mini-DisplayPort 1.1

Outputs

1x HDMI 2.1a 2x DisplayPort 2.1 1x USB Type-C

1x 6-pin

Power Connectors

2x 8-pin

Graphics Features

11.2 (11_0)

DirectX

12 Ultimate (12_2)

4.4

OpenGL

4.6

1.2

OpenCL

2.2

N/A

Vulkan

1.3

-

CUDA

-

5.0

Shader Model

6.7

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