AMD Radeon HD 6990 vs NVIDIA GeForce 7950 GT AGP

VS

AMD Radeon HD 6990 NVIDIA GeForce 7950 GT AGP

We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 6990 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 6990 's Advantages

Released 3 years and 11 months late

Larger VRAM bandwidth (160.0GB/s vs 38.40GB/s)

1536 additional rendering cores

NVIDIA GeForce 7950 GT AGP 's Advantages

Lower TDP (65W vs 375W)

Score

Radeon HD 6990

VS

GeForce 7950 GT AGP

Graphics Card

Mar 2011

Release Date

Apr 2007

Northern Islands

Generation

GeForce 7 AGP

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

AGP 8x

Clock Speeds

-

Base Clock

-

Boost Clock

-

1250 MHz

Memory Clock

600 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

256bit

160.0GB/s

Bandwidth

38.40GB/s

Render Config

-

SM Count

-

24

Compute Units

-

1536

Shading Units

-

96

TMUs

24

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

-

Theoretical Performance

26.56 GPixel/s

Pixel Rate

8.000 GPixel/s

79.68 GTexel/s

Texture Rate

12.00 GTexel/s

-

FP16 (half)

-

2.550 TFLOPS

FP32 (float)

-

637.4 GFLOPS

FP64 (double)

-

Graphics Processor

Antilles

GPU Name

G71

Antilles XT (215-0807027)

GPU Variant

G71-GT2-H-N-A2

TeraScale 3

Architecture

Curie

TSMC

Foundry

TSMC

40 nm

Process Size

90 nm

2.64 billion

Transistors

0.278 billion

389 mm²

Die Size

196 mm²

Board Design

375W

TDP

65W

750 W

Suggested PSU

250 W

1x DVI 4x mini-DisplayPort 1.2

Outputs

2x DVI 1x S-Video

2x 8-pin

Power Connectors

1x Molex

Graphics Features

11.2 (11_0)

DirectX

9.0c (9_3)

4.4

OpenGL

2.1

1.2

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

3.0

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