AMD Radeon HD 7970 vs AMD Radeon R7 350X OEM

VS

AMD Radeon HD 7970 AMD Radeon R7 350X OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 4GB VRAM Radeon R7 350X OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Larger VRAM bandwidth (264.0GB/s vs 32.00GB/s)

1664 additional rendering cores

AMD Radeon R7 350X OEM 's Advantages

Released 3 years and 5 months late

Boost Clock1050MHz

More VRAM (4GB vs 3GB)

Lower TDP (65W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +370%

3.789 TFLOPS

Radeon R7 350X OEM

0.806 TFLOPS

Radeon HD 7970

VS

Radeon R7 350X OEM

Graphics Card

Dec 2011

Release Date

May 2015

Southern Islands

Generation

Pirate Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

1000 MHz

-

Boost Clock

1050 MHz

1375 MHz

Memory Clock

1000 MHz

Memory

3GB

Memory Size

4GB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

128bit

264.0GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

32

Compute Units

6

2048

Shading Units

384

128

TMUs

24

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

768 KB

L2 Cache

256 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

8.400 GPixel/s

118.4 GTexel/s

Texture Rate

25.20 GTexel/s

-

FP16 (half)

-

3.789 TFLOPS

FP32 (float)

806.4 GFLOPS

947.2 GFLOPS

FP64 (double)

50.40 GFLOPS

Graphics Processor

Tahiti

GPU Name

Oland

Tahiti XT (215-0821060)

GPU Variant

Oland XT (215-0837000)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

4.313 billion

Transistors

0.95 billion

352 mm²

Die Size

77 mm²

Board Design

250W

TDP

65W

600 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x HDMI 1.4a 1x VGA

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

1.2

Vulkan

1.2

-

CUDA

-

5.1

Shader Model

5.1

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