AMD Radeon HD 7970 vs NVIDIA GeForce 7950 GT AGP

VS

AMD Radeon HD 7970 NVIDIA GeForce 7950 GT AGP

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 and 512MB VRAM GeForce 7950 GT AGP to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 's Advantages

Released 4 years and 8 months late

Larger VRAM bandwidth (264.0GB/s vs 38.40GB/s)

2048 additional rendering cores

NVIDIA GeForce 7950 GT AGP 's Advantages

Lower TDP (65W vs 250W)

Score

Radeon HD 7970

VS

GeForce 7950 GT AGP

Graphics Card

Dec 2011

Release Date

Apr 2007

Southern Islands

Generation

GeForce 7 AGP

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

Base Clock

-

Boost Clock

-

1375 MHz

Memory Clock

600 MHz

Memory

3GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

384bit

Memory Bus

256bit

264.0GB/s

Bandwidth

38.40GB/s

Render Config

-

SM Count

-

32

Compute Units

-

2048

Shading Units

-

128

TMUs

24

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

768 KB

L2 Cache

-

Theoretical Performance

29.60 GPixel/s

Pixel Rate

8.000 GPixel/s

118.4 GTexel/s

Texture Rate

12.00 GTexel/s

-

FP16 (half)

-

3.789 TFLOPS

FP32 (float)

-

947.2 GFLOPS

FP64 (double)

-

Graphics Processor

Tahiti

GPU Name

G71

Tahiti XT (215-0821060)

GPU Variant

G71-GT2-H-N-A2

GCN 1.0

Architecture

Curie

TSMC

Foundry

TSMC

28 nm

Process Size

90 nm

4.313 billion

Transistors

0.278 billion

352 mm²

Die Size

196 mm²

Board Design

250W

TDP

65W

600 W

Suggested PSU

250 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

1x Molex

Graphics Features

12 (11_1)

DirectX

9.0c (9_3)

4.6

OpenGL

2.1

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

3.0

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