AMD Radeon R7 350 640SP vs AMD Radeon HD 7970 X2

VS

AMD Radeon R7 350 640SP

AMD Radeon HD 7970 X2

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 350 640SP and 3GB VRAM Radeon HD 7970 X2 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 350 640SP 's Advantages

Released 6 years and 5 months late

Lower TDP (55W vs 500W)

AMD Radeon HD 7970 X2 's Advantages

More VRAM (3GB vs 2GB)

Larger VRAM bandwidth (264.0GB/s vs 72.00GB/s)

1408 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon R7 350 640SP

1.184 TFLOPS

Radeon HD 7970 X2 +220%

3.789 TFLOPS

Radeon R7 350 640SP

VS

Radeon HD 7970 X2

Graphics Card

Jan 2019

Release Date

Aug 2012

Pirate Islands

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

1125 MHz

Memory Clock

1375 MHz

Memory

2GB

Memory Size

3GB

GDDR5

Memory Type

GDDR5

128bit

Memory Bus

384bit

72.00GB/s

Bandwidth

264.0GB/s

Render Config

10

Compute Units

32

-

640

Shading Units

2048

40

TMUs

128

16

ROPs

32

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

14.80 GPixel/s

Pixel Rate

29.60 GPixel/s

37.00 GTexel/s

Texture Rate

118.4 GTexel/s

-

1184 GFLOPS

FP32 (float)

3.789 TFLOPS

74.00 GFLOPS

FP64 (double)

947.2 GFLOPS

Board Design

55W

TDP

500W

250 W

Suggested PSU

900 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

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

None

Power Connectors

3x 8-pin

Graphics Processor

Cape Verde

GPU Name

New Zealand

Cape Verde XT

GPU Variant

-

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

1.5 billion

Transistors

4.313 billion

123 mm²

Die Size

352 mm²

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

5.1

Shader Model

5.1

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