AMD Radeon HD 6870 X2 vs AMD Radeon PRO W7700

VS

AMD Radeon HD 6870 X2

AMD Radeon PRO W7700

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6870 X2 and 16GB VRAM Radeon PRO W7700 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon PRO W7700 's Advantages

Released 12 years and 4 months late

Boost Clock2600MHz

More VRAM (16GB vs 1024GB)

Larger VRAM bandwidth (576.0GB/s vs 134.4GB/s)

1952 additional rendering cores

Lower TDP (190W vs 300W)

Score

Benchmark

FP32 (float)

Radeon HD 6870 X2

2.016 TFLOPS

Radeon PRO W7700 +1484%

31.95 TFLOPS

Radeon HD 6870 X2

VS

Radeon PRO W7700

Graphics Card

Jul 2011

Release Date

Nov 2023

Northern Islands

Generation

Radeon Pro Navi

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

-

Base Clock

1900 MHz

-

Boost Clock

2600 MHz

1050 MHz

Memory Clock

2250 MHz

Memory

1024MB

Memory Size

16GB

GDDR5

Memory Type

GDDR6

256bit

Memory Bus

256bit

134.4GB/s

Bandwidth

576.0GB/s

Render Config

14

Compute Units

48

-

1120

Shading Units

3072

56

TMUs

192

32

ROPs

96

-

RT Cores

48

8 KB (per CU)

L1 Cache

128 KB per Array

512 KB

L2 Cache

2 MB

-

L3 Cache

64 MB

Theoretical Performance

28.80 GPixel/s

Pixel Rate

249.6 GPixel/s

50.40 GTexel/s

Texture Rate

499.2 GTexel/s

-

FP16 (half)

63.90 TFLOPS

2.016 TFLOPS

FP32 (float)

31.95 TFLOPS

-

FP64 (double)

998.4 GFLOPS

Board Design

300W

TDP

190W

700 W

Suggested PSU

450 W

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

Outputs

4x DisplayPort 2.1

-

Power Connectors

1x 8-pin

Graphics Processor

Barts

GPU Name

Navi 32

Barts XT (215-0798000)

GPU Variant

Navi 32

TeraScale 2

Architecture

RDNA 3.0

TSMC

Foundry

TSMC

40 nm

Process Size

5 nm

1.7 billion

Transistors

28.1 billion

255 mm²

Die Size

346 mm²

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

-

5.0

Shader Model

6.7

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