ATI Radeon HD 2900 XTX vs ATI FirePro V7900

VS

ATI Radeon HD 2900 XTX

ATI FirePro V7900

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 2GB VRAM FirePro V7900 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI FirePro V7900 's Advantages

More VRAM (2GB vs 512GB)

Larger VRAM bandwidth (160.0GB/s vs 106.0GB/s)

960 additional rendering cores

Lower TDP (150W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

FirePro V7900 +289%

1.856 TFLOPS

Radeon HD 2900 XTX

VS

FirePro V7900

Graphics Card

Unknown

Release Date

May 2011

Radeon R600

Generation

FirePro

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

828 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

256bit

106.0GB/s

Bandwidth

160.0GB/s

Render Config

4

Compute Units

20

-

320

Shading Units

1280

16

TMUs

80

16

ROPs

32

-

L1 Cache

8 KB (per CU)

256 KB

L2 Cache

512 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

23.20 GPixel/s

11.89 GTexel/s

Texture Rate

58.00 GTexel/s

-

475.5 GFLOPS

FP32 (float)

1.856 TFLOPS

-

FP64 (double)

464.0 GFLOPS

Board Design

240W

TDP

150W

550 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

4x DisplayPort 1.2

2x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

R600

GPU Name

Cayman

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

Cayman PRO GL

TeraScale

Architecture

TeraScale 3

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.72 billion

Transistors

2.64 billion

420 mm²

Die Size

389 mm²

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

4.0

Shader Model

5.0

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