NVIDIA GeForce 8800 GT vs AMD Radeon HD 6790

VS

NVIDIA GeForce 8800 GT

AMD Radeon HD 6790

We compared two Desktop platform GPUs: 512MB VRAM GeForce 8800 GT and 1024MB VRAM Radeon HD 6790 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce 8800 GT 's Advantages

Lower TDP (125W vs 150W)

AMD Radeon HD 6790 's Advantages

Released 3 years and 6 months late

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (134.4GB/s vs 57.60GB/s)

688 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8800 GT

0.336 TFLOPS

Radeon HD 6790 +300%

1.344 TFLOPS

GeForce 8800 GT

VS

Radeon HD 6790

Graphics Card

Oct 2007

Release Date

Apr 2011

GeForce 8

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

900 MHz

Memory Clock

1050 MHz

Memory

512MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

57.60GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

10

14

SM Count

-

112

Shading Units

800

56

TMUs

40

16

ROPs

16

-

L1 Cache

8 KB (per CU)

64 KB

L2 Cache

512 KB

-

Theoretical Performance

9.600 GPixel/s

Pixel Rate

13.44 GPixel/s

33.60 GTexel/s

Texture Rate

33.60 GTexel/s

-

336.0 GFLOPS

FP32 (float)

1344 GFLOPS

-

Board Design

125W

TDP

150W

300 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

1x 6-pin

Power Connectors

2x 6-pin

Graphics Processor

G92

GPU Name

Barts

G92-270-A2

GPU Variant

Barts LE (215-0798002)

Tesla

Architecture

TeraScale 2

TSMC

Foundry

TSMC

65 nm

Process Size

40 nm

0.754 billion

Transistors

1.7 billion

324 mm²

Die Size

255 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1

OpenCL

1.2

N/A

Vulkan

N/A

1.1

CUDA

-

4.0

Shader Model

5.0

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