AMD Radeon HD 7950 vs NVIDIA GeForce 9800 GT

VS

AMD Radeon HD 7950

NVIDIA GeForce 9800 GT

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7950 and 512MB VRAM GeForce 9800 GT 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 6 months late

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (240.0GB/s vs 57.60GB/s)

1680 additional rendering cores

NVIDIA GeForce 9800 GT 's Advantages

Lower TDP (125W vs 200W)

Score

Benchmark

FP32 (float)

Radeon HD 7950 +753%

2.867 TFLOPS

GeForce 9800 GT

0.336 TFLOPS

Radeon HD 7950

VS

GeForce 9800 GT

Graphics Card

Jan 2012

Release Date

Jul 2008

Southern Islands

Generation

GeForce 9

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1250 MHz

Memory Clock

900 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

240.0GB/s

Bandwidth

57.60GB/s

Render Config

28

Compute Units

-

SM Count

14

1792

Shading Units

112

TMUs

56

32

ROPs

16

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

64 KB

-

Theoretical Performance

25.60 GPixel/s

Pixel Rate

9.600 GPixel/s

89.60 GTexel/s

Texture Rate

33.60 GTexel/s

-

2.867 TFLOPS

FP32 (float)

336.0 GFLOPS

716.8 GFLOPS

FP64 (double)

-

Board Design

200W

TDP

125W

550 W

Suggested PSU

300 W

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

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

Tahiti

GPU Name

G92B

Tahiti PRO (215-0821056)

GPU Variant

G92-280-B1

GCN 1.0

Architecture

Tesla

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

4.313 billion

Transistors

0.754 billion

352 mm²

Die Size

260 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

1.1

5.1

Shader Model

4.0

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