ATI Radeon HD 2900 XTX vs NVIDIA GeForce GTX 750 Ti

VS

ATI Radeon HD 2900 XTX

NVIDIA GeForce GTX 750 Ti

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 2GB VRAM GeForce GTX 750 Ti to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 86.40GB/s)

NVIDIA GeForce GTX 750 Ti 's Advantages

Boost Clock1085MHz

More VRAM (2GB vs 512GB)

320 additional rendering cores

Lower TDP (60W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

GeForce GTX 750 Ti +191%

1.389 TFLOPS

Radeon HD 2900 XTX

VS

GeForce GTX 750 Ti

Graphics Card

Unknown

Release Date

Feb 2014

Radeon R600

Generation

GeForce 700

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

1020 MHz

-

Boost Clock

1085 MHz

828 MHz

Memory Clock

1350 MHz

Memory

512MB

Memory Size

2GB

GDDR3

Memory Type

GDDR5

512bit

Memory Bus

128bit

106.0GB/s

Bandwidth

86.40GB/s

Render Config

4

Compute Units

-

320

Shading Units

640

16

TMUs

40

16

ROPs

16

-

L1 Cache

64 KB (per SMM)

256 KB

L2 Cache

2 MB

-

Theoretical Performance

11.89 GPixel/s

Pixel Rate

17.36 GPixel/s

11.89 GTexel/s

Texture Rate

43.40 GTexel/s

-

475.5 GFLOPS

FP32 (float)

1389 GFLOPS

-

FP64 (double)

43.40 GFLOPS

Board Design

240W

TDP

60W

550 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

2x DVI 1x mini-HDMI 2.0

2x 6-pin

Power Connectors

None

Graphics Processor

R600

GPU Name

GM107

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

GM107-400-A2

TeraScale

Architecture

Maxwell

TSMC

Foundry

TSMC

80 nm

Process Size

28 nm

0.72 billion

Transistors

1.87 billion

420 mm²

Die Size

148 mm²

Graphics Features

10.0 (10_0)

DirectX

12 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.6

N/A

OpenCL

3.0

N/A

Vulkan

1.3

-

CUDA

5.0

4.0

Shader Model

5.1

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