NVIDIA GeForce GTX 280 vs AMD Radeon HD 7950

VS

NVIDIA GeForce GTX 280 AMD Radeon HD 7950

We compared two Desktop platform GPUs: 1024MB VRAM GeForce GTX 280 and 3GB VRAM Radeon HD 7950 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 's Advantages

Released 3 years and 7 months late

More VRAM (3GB vs 1GB)

Larger VRAM bandwidth (240.0GB/s vs 141.7GB/s)

1552 additional rendering cores

Lower TDP (200W vs 236W)

Score

Benchmark

FP32 (float)

GeForce GTX 280

0.622 TFLOPS

Radeon HD 7950 +360%

2.867 TFLOPS

GeForce GTX 280

VS

Radeon HD 7950

Graphics Card

Jun 2008

Release Date

Jan 2012

GeForce 200

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1107 MHz

Memory Clock

1250 MHz

Memory

1024MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

384bit

141.7GB/s

Bandwidth

240.0GB/s

Render Config

30

SM Count

-

Compute Units

28

240

Shading Units

1792

80

TMUs

112

32

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

Theoretical Performance

19.26 GPixel/s

Pixel Rate

25.60 GPixel/s

48.16 GTexel/s

Texture Rate

89.60 GTexel/s

-

FP16 (half)

-

622.1 GFLOPS

FP32 (float)

2.867 TFLOPS

77.76 GFLOPS

FP64 (double)

716.8 GFLOPS

Graphics Processor

GT200

GPU Name

Tahiti

G200-300-A2

GPU Variant

Tahiti PRO (215-0821056)

Tesla 2.0

Architecture

GCN 1.0

TSMC

Foundry

TSMC

65 nm

Process Size

28 nm

1.4 billion

Transistors

4.313 billion

576 mm²

Die Size

352 mm²

Board Design

236W

TDP

200W

550 W

Suggested PSU

550 W

2x DVI 1x S-Video

Outputs

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

1x 6-pin + 1x 8-pin

Power Connectors

2x 6-pin

Graphics Features

11.1 (10_0)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

1.3

CUDA

-

4.0

Shader Model

5.1

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