AMD Radeon HD 7970M vs AMD Radeon HD 8690M

VS

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 2GB VRAM Radeon HD 8690M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970M 's Advantages

Larger VRAM bandwidth (153.6GB/s vs 32.00GB/s)

960 additional rendering cores

AMD Radeon HD 8690M 's Advantages

Released 11 months late

Boost Clock975MHz

Score

Benchmark

FP32 (float)

Radeon HD 7970M +248%

2.176 TFLOPS

Radeon HD 8690M

0.624 TFLOPS

Radeon HD 7970M

VS

Radeon HD 8690M

Graphics Card

Apr 2012

Release Date

Mar 2013

London

Generation

Solar System

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 3.0 x8

Clock Speeds

-

Base Clock

925 MHz

-

Boost Clock

975 MHz

1200 MHz

Memory Clock

1000 MHz

Memory

2GB

Memory Size

2GB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

64bit

153.6GB/s

Bandwidth

32.00GB/s

Render Config

-

SM Count

-

20

Compute Units

5

1280

Shading Units

320

80

TMUs

20

32

ROPs

8

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

128 KB

Theoretical Performance

27.20 GPixel/s

Pixel Rate

7.800 GPixel/s

68.00 GTexel/s

Texture Rate

19.50 GTexel/s

-

FP16 (half)

-

2.176 TFLOPS

FP32 (float)

624.0 GFLOPS

136.0 GFLOPS

FP64 (double)

39.00 GFLOPS

Graphics Processor

Wimbledon

GPU Name

Sun

Wimbledon XT (216-0836036)

GPU Variant

Sun S3 XT (216-0841009)

GCN 1.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

28 nm

Process Size

28 nm

2.8 billion

Transistors

0.69 billion

212 mm²

Die Size

56 mm²

Board Design

100W

TDP

Unknown

-

Suggested PSU

-

No outputs

Outputs

Portable Device Dependent

None

Power Connectors

-

Graphics Features

12 (11_1)

DirectX

12 (11_1)

4.6

OpenGL

4.6

1.2

OpenCL

2.1 (1.2)

1.2

Vulkan

1.2.170

-

CUDA

-

5.1

Shader Model

6.5 (5.1)

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