NVIDIA GeForce 8800 GTS 320 vs AMD Radeon HD 6970

VS

NVIDIA GeForce 8800 GTS 320

AMD Radeon HD 6970

We compared two Desktop platform GPUs: 320MB VRAM GeForce 8800 GTS 320 and 2GB VRAM Radeon HD 6970 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800 GTS 320 's Advantages

Lower TDP (143W vs 250W)

AMD Radeon HD 6970 's Advantages

Released 3 years and 10 months late

More VRAM (2GB vs 320GB)

Larger VRAM bandwidth (176.0GB/s vs 63.36GB/s)

1440 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8800 GTS 320

0.228 TFLOPS

Radeon HD 6970 +1085%

2.703 TFLOPS

GeForce 8800 GTS 320

VS

Radeon HD 6970

Graphics Card

Feb 2007

Release Date

Dec 2010

GeForce 8

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

792 MHz

Memory Clock

1375 MHz

Memory

320MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

320bit

Memory Bus

256bit

63.36GB/s

Bandwidth

176.0GB/s

Render Config

-

Compute Units

24

12

SM Count

-

96

Shading Units

1536

24

TMUs

96

20

ROPs

32

-

L1 Cache

8 KB (per CU)

80 KB

L2 Cache

512 KB

-

Theoretical Performance

10.26 GPixel/s

Pixel Rate

28.16 GPixel/s

24.62 GTexel/s

Texture Rate

84.48 GTexel/s

-

228.1 GFLOPS

FP32 (float)

2.703 TFLOPS

-

FP64 (double)

675.8 GFLOPS

Board Design

143W

TDP

250W

300 W

Suggested PSU

600 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

G80

GPU Name

Cayman

G80-100-K0-A2

GPU Variant

Cayman XT (215-0807007)

Tesla

Architecture

TeraScale 3

TSMC

Foundry

TSMC

90 nm

Process Size

40 nm

0.681 billion

Transistors

2.64 billion

484 mm²

Die Size

389 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1 (1.0)

OpenCL

1.2

N/A

Vulkan

N/A

1.0

CUDA

-

4.0

Shader Model

5.0

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