ATI Radeon HD 4770 vs NVIDIA GeForce GTS 250

VS

ATI Radeon HD 4770

NVIDIA GeForce GTS 250

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 4770 and 1024MB VRAM GeForce GTS 250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4770 's Advantages

512 additional rendering cores

Lower TDP (80W vs 150W)

NVIDIA GeForce GTS 250 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (64.00GB/s vs 51.20GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 4770 +148%

0.96 TFLOPS

GeForce GTS 250

0.387 TFLOPS

Radeon HD 4770

VS

GeForce GTS 250

Graphics Card

Apr 2009

Release Date

Mar 2009

Radeon R700

Generation

GeForce 200

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

800 MHz

Memory Clock

1000 MHz

Memory

512MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

256bit

51.20GB/s

Bandwidth

64.00GB/s

Render Config

8

Compute Units

-

SM Count

16

640

Shading Units

128

32

TMUs

64

16

ROPs

16

-

16 KB (per CU)

L1 Cache

-

128 KB

L2 Cache

64 KB

-

Theoretical Performance

12.00 GPixel/s

Pixel Rate

11.23 GPixel/s

24.00 GTexel/s

Texture Rate

44.93 GTexel/s

-

960.0 GFLOPS

FP32 (float)

387.1 GFLOPS

192.0 GFLOPS

FP64 (double)

-

Board Design

80W

TDP

150W

250 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI

1x 6-pin

Power Connectors

1x 6-pin

Graphics Processor

RV740

GPU Name

G92B

RV740 XT (215-0727019)

GPU Variant

G92-428-B1

TeraScale

Architecture

Tesla

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

0.826 billion

Transistors

0.754 billion

137 mm²

Die Size

260 mm²

Graphics Features

10.1 (10_1)

DirectX

11.1 (10_0)

3.3

OpenGL

3.3

1.1

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

1.1

4.1

Shader Model

4.0

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