AMD Radeon HD 7970 vs NVIDIA GeForce GTX 285

VS

AMD Radeon HD 7970

NVIDIA GeForce GTX 285

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 1024MB VRAM GeForce GTX 285 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Released 3 years late

More VRAM (3GB vs 1024GB)

Larger VRAM bandwidth (264.0GB/s vs 159.0GB/s)

1808 additional rendering cores

NVIDIA GeForce GTX 285 's Advantages

Lower TDP (204W vs 250W)

Score

Benchmark

FP32 (float)

Radeon HD 7970 +435%

3.789 TFLOPS

GeForce GTX 285

0.708 TFLOPS

Radeon HD 7970

VS

GeForce GTX 285

Graphics Card

Dec 2011

Release Date

Dec 2008

Southern Islands

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1375 MHz

Memory Clock

1242 MHz

Memory

3GB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

512bit

264.0GB/s

Bandwidth

159.0GB/s

Render Config

32

Compute Units

-

SM Count

30

2048

Shading Units

240

128

TMUs

80

32

ROPs

32

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

256 KB

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

20.74 GPixel/s

118.4 GTexel/s

Texture Rate

51.84 GTexel/s

-

3.789 TFLOPS

FP32 (float)

708.5 GFLOPS

947.2 GFLOPS

FP64 (double)

88.56 GFLOPS

Board Design

250W

TDP

204W

600 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Processor

Tahiti

GPU Name

GT200B

Tahiti XT (215-0821060)

GPU Variant

G200-350-B3

GCN 1.0

Architecture

Tesla 2.0

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

1.4 billion

352 mm²

Die Size

470 mm²

Graphics Features

12 (11_1)

DirectX

11.1 (10_0)

4.6

OpenGL

3.3

1.2

OpenCL

1.1

1.2

Vulkan

N/A

-

CUDA

1.3

5.1

Shader Model

4.0

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