AMD Radeon HD 7970 vs AMD Radeon R5 235X OEM

VS

AMD Radeon HD 7970 AMD Radeon R5 235X OEM

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 1024MB VRAM Radeon R5 235X OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (264.0GB/s vs 14.40GB/s)

1888 additional rendering cores

AMD Radeon R5 235X OEM 's Advantages

Released 2 years late

Lower TDP (18W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +1253%

3.789 TFLOPS

Radeon R5 235X OEM

0.28 TFLOPS

Radeon HD 7970

VS

Radeon R5 235X OEM

Graphics Card

Dec 2011

Release Date

Dec 2013

Southern Islands

Generation

Volcanic Islands

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

384bit

Memory Bus

64bit

264.0GB/s

Bandwidth

14.40GB/s

Render Config

-

SM Count

-

32

Compute Units

2

2048

Shading Units

160

128

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

8 KB (per CU)

768 KB

L2 Cache

128 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

3.500 GPixel/s

118.4 GTexel/s

Texture Rate

7.000 GTexel/s

-

FP16 (half)

-

3.789 TFLOPS

FP32 (float)

280.0 GFLOPS

947.2 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

Caicos

Tahiti XT (215-0821060)

GPU Variant

Caicos XT (215-0804070)

GCN 1.0

Architecture

TeraScale 2

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

4.313 billion

Transistors

0.37 billion

352 mm²

Die Size

67 mm²

Board Design

250W

TDP

18W

600 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x HDMI 1.3a

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

11.2 (11_0)

4.6

OpenGL

4.4

1.2

OpenCL

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

5.0

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