NVIDIA GeForce 8800 GTS 320 vs AMD Radeon HD 6790

VS

NVIDIA GeForce 8800 GTS 320

AMD Radeon HD 6790

We compared two Desktop platform GPUs: 320MB VRAM GeForce 8800 GTS 320 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 GTS 320 's Advantages

Lower TDP (143W vs 150W)

AMD Radeon HD 6790 's Advantages

Released 4 years and 2 months late

More VRAM (1024GB vs 320GB)

Larger VRAM bandwidth (134.4GB/s vs 63.36GB/s)

704 additional rendering cores

Score

Benchmark

FP32 (float)

GeForce 8800 GTS 320

0.228 TFLOPS

Radeon HD 6790 +489%

1.344 TFLOPS

GeForce 8800 GTS 320

VS

Radeon HD 6790

Graphics Card

Feb 2007

Release Date

Apr 2011

GeForce 8

Generation

Northern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

792 MHz

Memory Clock

1050 MHz

Memory

320MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

320bit

Memory Bus

256bit

63.36GB/s

Bandwidth

134.4GB/s

Render Config

-

Compute Units

10

12

SM Count

-

96

Shading Units

800

24

TMUs

40

20

ROPs

16

-

L1 Cache

8 KB (per CU)

80 KB

L2 Cache

512 KB

-

Theoretical Performance

10.26 GPixel/s

Pixel Rate

13.44 GPixel/s

24.62 GTexel/s

Texture Rate

33.60 GTexel/s

-

228.1 GFLOPS

FP32 (float)

1344 GFLOPS

-

Board Design

143W

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

G80

GPU Name

Barts

G80-100-K0-A2

GPU Variant

Barts LE (215-0798002)

Tesla

Architecture

TeraScale 2

TSMC

Foundry

TSMC

90 nm

Process Size

40 nm

0.681 billion

Transistors

1.7 billion

484 mm²

Die Size

255 mm²

Graphics Features

11.1 (10_0)

DirectX

11.2 (11_0)

3.3

OpenGL

4.4

1.1 (1.0)

OpenCL

1.2

N/A

Vulkan

N/A

1.0

CUDA

-

4.0

Shader Model

5.0

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