AMD Radeon HD 6970 vs NVIDIA GeForce 8300 GS

VS

AMD Radeon HD 6970

NVIDIA GeForce 8300 GS

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6970 and 128MB VRAM GeForce 8300 GS to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6970 's Advantages

Released 3 years and 8 months late

More VRAM (2GB vs 128GB)

Larger VRAM bandwidth (176.0GB/s vs 6.400GB/s)

1528 additional rendering cores

NVIDIA GeForce 8300 GS 's Advantages

Lower TDP (40W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 6970 +17920%

2.703 TFLOPS

GeForce 8300 GS

0.015 TFLOPS

Radeon HD 6970

VS

GeForce 8300 GS

Graphics Card

Dec 2010

Release Date

Apr 2007

Northern Islands

Generation

GeForce 8

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

400 MHz

Memory

2GB

Memory Size

128MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

176.0GB/s

Bandwidth

6.400GB/s

Render Config

24

Compute Units

-

SM Count

1

1536

Shading Units

8

96

TMUs

8

32

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 KB

-

Theoretical Performance

28.16 GPixel/s

Pixel Rate

1.836 GPixel/s

84.48 GTexel/s

Texture Rate

3.672 GTexel/s

-

2.703 TFLOPS

FP32 (float)

14.69 GFLOPS

675.8 GFLOPS

FP64 (double)

-

Board Design

250W

TDP

40W

600 W

Suggested PSU

200 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 Processor

Cayman

GPU Name

G86

Cayman XT (215-0807007)

GPU Variant

-

TeraScale 3

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

2.64 billion

Transistors

0.21 billion

389 mm²

Die Size

127 mm²

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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