AMD Radeon R7 250 vs ATI Radeon HD 2900 XT

VS

We compared two Desktop platform GPUs: 1024MB VRAM Radeon R7 250 and 512MB VRAM Radeon HD 2900 XT to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 250 's Advantages

Released 6 years and 5 months late

More VRAM (1024GB vs 512GB)

192 additional rendering cores

Lower TDP (55W vs 215W)

ATI Radeon HD 2900 XT 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 28.80GB/s)

Score

Benchmark

FP32 (float)

Radeon R7 250 +50%

0.717 TFLOPS

Radeon HD 2900 XT

0.476 TFLOPS

Radeon R7 250

VS

Radeon HD 2900 XT

Graphics Card

Oct 2013

Release Date

May 2007

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

900 MHz

Memory Clock

828 MHz

Memory

1024MB

Memory Size

512MB

DDR3

Memory Type

GDDR3

128bit

Memory Bus

512bit

28.80GB/s

Bandwidth

106.0GB/s

Render Config

-

SM Count

-

8

Compute Units

4

512

Shading Units

320

32

TMUs

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

Theoretical Performance

11.20 GPixel/s

Pixel Rate

11.89 GPixel/s

22.40 GTexel/s

Texture Rate

11.89 GTexel/s

-

FP16 (half)

-

716.8 GFLOPS

FP32 (float)

475.5 GFLOPS

44.80 GFLOPS

FP64 (double)

-

Graphics Processor

Cape Verde

GPU Name

R600

Cape Verde PRO

GPU Variant

R600 XT (215RGMDKA13FG)

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

1.5 billion

Transistors

0.72 billion

123 mm²

Die Size

420 mm²

Board Design

55W

TDP

215W

250 W

Suggested PSU

550 W

1x DVI 1x HDMI 1.4a 1x DisplayPort 1.2

Outputs

2x DVI 1x S-Video

None

Power Connectors

1x 6-pin + 1x 8-pin

Graphics Features

12 (11_1)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.0

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