AMD Radeon HD 6790 vs NVIDIA GeForce G100 OEM

VS

AMD Radeon HD 6790

NVIDIA GeForce G100 OEM

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6790 and 256MB VRAM GeForce G100 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6790 's Advantages

Released 2 years and 1 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (134.4GB/s vs 6.400GB/s)

792 additional rendering cores

NVIDIA GeForce G100 OEM 's Advantages

Lower TDP (35W vs 150W)

Score

Benchmark

FP32 (float)

Radeon HD 6790 +6300%

1.344 TFLOPS

GeForce G100 OEM

0.021 TFLOPS

Radeon HD 6790

VS

GeForce G100 OEM

Graphics Card

Apr 2011

Release Date

Mar 2009

Northern Islands

Generation

GeForce 100

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

1050 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

256MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

134.4GB/s

Bandwidth

6.400GB/s

Render Config

10

Compute Units

-

SM Count

1

800

Shading Units

8

40

TMUs

4

16

ROPs

4

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

16 KB

-

Theoretical Performance

13.44 GPixel/s

Pixel Rate

2.160 GPixel/s

33.60 GTexel/s

Texture Rate

2.160 GTexel/s

-

1344 GFLOPS

FP32 (float)

20.80 GFLOPS

-

Board Design

150W

TDP

35W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x S-Video

2x 6-pin

Power Connectors

None

Graphics Processor

Barts

GPU Name

G98

Barts LE (215-0798002)

GPU Variant

G98-309-U2

TeraScale 2

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

65 nm

1.7 billion

Transistors

0.21 billion

255 mm²

Die Size

86 mm²

Graphics Features

11.2 (11_0)

DirectX

11.1 (10_0)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

5.0

Shader Model

4.0

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