AMD Radeon HD 6970 vs NVIDIA GeForce 9400 GT PCI

VS

AMD Radeon HD 6970 NVIDIA GeForce 9400 GT PCI

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 256MB VRAM GeForce 9400 GT PCI to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 's Advantages

Released 2 years and 4 months late

Larger VRAM bandwidth (176.0GB/s vs 12.80GB/s)

1520 additional rendering cores

NVIDIA GeForce 9400 GT PCI 's Advantages

Lower TDP (50W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 +5906%

2.703 TFLOPS

GeForce 9400 GT PCI

0.045 TFLOPS

Radeon HD 6970

VS

GeForce 9400 GT PCI

Graphics Card

Dec 2010

Release Date

Aug 2008

Northern Islands

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCI

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

128bit

176.0GB/s

Bandwidth

12.80GB/s

Render Config

-

SM Count

2

24

Compute Units

-

1536

Shading Units

16

96

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

32 KB

Theoretical Performance

28.16 GPixel/s

Pixel Rate

2.200 GPixel/s

84.48 GTexel/s

Texture Rate

4.400 GTexel/s

-

FP16 (half)

-

2.703 TFLOPS

FP32 (float)

44.80 GFLOPS

675.8 GFLOPS

FP64 (double)

-

Graphics Processor

Cayman

GPU Name

G96C

Cayman XT (215-0807007)

GPU Variant

-

TeraScale 3

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.64 billion

Transistors

0.314 billion

389 mm²

Die Size

121 mm²

Board Design

250W

TDP

50W

600 W

Suggested PSU

250 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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