AMD Radeon HD 6930 vs ATI Radeon HD 2900 XTX

VS

AMD Radeon HD 6930 ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 6930 and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 6930 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (153.6GB/s vs 106.0GB/s)

960 additional rendering cores

Lower TDP (186W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 6930 +303%

1.92 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

Radeon HD 6930

VS

Radeon HD 2900 XTX

Graphics Card

Dec 2011

Release Date

Unknown

Northern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1200 MHz

Memory Clock

828 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

256bit

Memory Bus

512bit

153.6GB/s

Bandwidth

106.0GB/s

Render Config

-

SM Count

-

20

Compute Units

4

1280

Shading Units

320

80

TMUs

16

32

ROPs

16

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

256 KB

Theoretical Performance

24.00 GPixel/s

Pixel Rate

11.89 GPixel/s

60.00 GTexel/s

Texture Rate

11.89 GTexel/s

-

FP16 (half)

-

1.920 TFLOPS

FP32 (float)

475.5 GFLOPS

480.0 GFLOPS

FP64 (double)

-

Graphics Processor

Cayman

GPU Name

R600

Cayman CE (215-0807105)

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

TeraScale 3

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

80 nm

2.64 billion

Transistors

0.72 billion

389 mm²

Die Size

420 mm²

Board Design

186W

TDP

240W

450 W

Suggested PSU

550 W

2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

2x 6-pin

Graphics Features

11.2 (11_0)

DirectX

10.0 (10_0)

4.4

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.0

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