ATI Radeon HD 2900 XTX vs AMD Radeon HD 7950 Monica BIOS 1

VS

ATI Radeon HD 2900 XTX

AMD Radeon HD 7950 Monica BIOS 1

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 3GB VRAM Radeon HD 7950 Monica BIOS 1 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7950 Monica BIOS 1 's Advantages

More VRAM (3GB vs 512GB)

Larger VRAM bandwidth (240.0GB/s vs 106.0GB/s)

1216 additional rendering cores

Lower TDP (185W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

Radeon HD 7950 Monica BIOS 1 +497%

2.842 TFLOPS

Radeon HD 2900 XTX

VS

Radeon HD 7950 Monica BIOS 1

Graphics Card

Unknown

Release Date

Jan 2012

Radeon R600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

828 MHz

Memory Clock

1250 MHz

Memory

512MB

Memory Size

3GB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

384bit

106.0GB/s

Bandwidth

240.0GB/s

Render Config

4

Compute Units

24

-

320

Shading Units

1536

16

TMUs

96

16

ROPs

32

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

768 KB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

29.60 GPixel/s

11.89 GTexel/s

Texture Rate

88.80 GTexel/s

-

475.5 GFLOPS

FP32 (float)

2.842 TFLOPS

-

FP64 (double)

710.4 GFLOPS

Board Design

240W

TDP

185W

550 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Processor

R600

GPU Name

Tahiti

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

Tahiti PRO (215-0821056)

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.72 billion

Transistors

4.313 billion

420 mm²

Die Size

352 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_1)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

1.2

N/A

Vulkan

1.2

-

4.0

Shader Model

5.1

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