AMD Radeon HD 6970 X2 vs AMD Radeon RX 550 640SP

VS

AMD Radeon HD 6970 X2

AMD Radeon RX 550 640SP

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 X2 and 2GB VRAM Radeon RX 550 640SP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 X2 's Advantages

Larger VRAM bandwidth (176.0GB/s vs 96.00GB/s)

896 additional rendering cores

AMD Radeon RX 550 640SP 's Advantages

Boost Clock1071MHz

Lower TDP (60W vs 375W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 X2 +97%

2.703 TFLOPS

Radeon RX 550 640SP

1.371 TFLOPS

Radeon HD 6970 X2

VS

Radeon RX 550 640SP

Graphics Card

Unknown

Release Date

Oct 2017

Northern Islands

Generation

Polaris

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1019 MHz

-

Boost Clock

1071 MHz

1375 MHz

Memory Clock

1500 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

96.00GB/s

Render Config

24

Compute Units

10

-

1536

Shading Units

640

96

TMUs

40

32

ROPs

16

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

1024 KB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

17.14 GPixel/s

84.48 GTexel/s

Texture Rate

42.84 GTexel/s

-

FP16 (half)

1371 GFLOPS

2.703 TFLOPS

FP32 (float)

1371 GFLOPS

-

FP64 (double)

85.68 GFLOPS

Board Design

375W

TDP

60W

750 W

Suggested PSU

250 W

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

3x 8-pin

Power Connectors

None

Graphics Processor

Antilles

GPU Name

Baffin

Antilles XT (215-0807027)

GPU Variant

Baffin LE

TeraScale 3

Architecture

GCN 4.0

TSMC

Foundry

GlobalFoundries

40 nm

Process Size

14 nm

2.64 billion

Transistors

3 billion

389 mm²

Die Size

123 mm²

Graphics Features

11.2 (11_0)

DirectX

12 (12_0)

4.4

OpenGL

4.6

1.2

OpenCL

2.1

N/A

Vulkan

1.2

-

5.0

Shader Model

6.4

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