AMD Radeon HD 7970M vs NVIDIA GeForce GT 320M

VS

AMD Radeon HD 7970M

NVIDIA GeForce GT 320M

We compared two Mobile platform GPUs: 2GB VRAM Radeon HD 7970M and 1024MB VRAM GeForce GT 320M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970M 's Advantages

Released 2 years and 1 months late

More VRAM (2GB vs 1024GB)

Larger VRAM bandwidth (153.6GB/s vs 25.28GB/s)

1256 additional rendering cores

NVIDIA GeForce GT 320M 's Advantages

Lower TDP (23W vs 100W)

Score

Benchmark

FP32 (float)

Radeon HD 7970M +4005%

2.176 TFLOPS

GeForce GT 320M

0.053 TFLOPS

Radeon HD 7970M

VS

GeForce GT 320M

Graphics Card

Apr 2012

Release Date

Mar 2010

London

Generation

GeForce 300M

Mobile

Type

Mobile

MXM-B (3.0)

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1200 MHz

Memory Clock

790 MHz

Memory

2GB

Memory Size

1024MB

GDDR5

Memory Type

DDR3

256bit

Memory Bus

128bit

153.6GB/s

Bandwidth

25.28GB/s

Render Config

20

Compute Units

-

SM Count

3

1280

Shading Units

24

80

TMUs

8

32

ROPs

8

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

-

Theoretical Performance

27.20 GPixel/s

Pixel Rate

4.000 GPixel/s

68.00 GTexel/s

Texture Rate

4.000 GTexel/s

-

2.176 TFLOPS

FP32 (float)

52.80 GFLOPS

136.0 GFLOPS

FP64 (double)

-

Board Design

100W

TDP

23W

-

No outputs

Outputs

No outputs

None

Power Connectors

-

Graphics Processor

Wimbledon

GPU Name

GT216

Wimbledon XT (216-0836036)

GPU Variant

-

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

40 nm

2.8 billion

Transistors

0.486 billion

212 mm²

Die Size

100 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.2

5.1

Shader Model

4.1

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