AMD Radeon R7 265 vs ATI Radeon HD 4250

VS

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 265 and 512MB VRAM Radeon HD 4250 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon R7 265 's Advantages

Released 5 years late

Boost Clock925MHz

Larger VRAM bandwidth (179.2GB/s vs 6.336GB/s)

984 additional rendering cores

ATI Radeon HD 4250 's Advantages

Lower TDP (25W vs 150W)

Score

Benchmark

FP32 (float)

Radeon R7 265 +3845%

1.894 TFLOPS

Radeon HD 4250

0.048 TFLOPS

Radeon R7 265

VS

Radeon HD 4250

Graphics Card

Feb 2014

Release Date

Feb 2009

Volcanic Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

900 MHz

Base Clock

-

925 MHz

Boost Clock

-

1400 MHz

Memory Clock

396 MHz

Memory

2GB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

179.2GB/s

Bandwidth

6.336GB/s

Render Config

-

SM Count

-

16

Compute Units

2

1024

Shading Units

40

64

TMUs

4

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

512 KB

L2 Cache

64 KB

Theoretical Performance

29.60 GPixel/s

Pixel Rate

2.376 GPixel/s

59.20 GTexel/s

Texture Rate

2.376 GTexel/s

-

FP16 (half)

-

1.894 TFLOPS

FP32 (float)

47.52 GFLOPS

118.4 GFLOPS

FP64 (double)

-

Graphics Processor

Pitcairn

GPU Name

RV620

Pitcairn PRO (215-0828062)

GPU Variant

RV620 LE

GCN 1.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

55 nm

2.8 billion

Transistors

0.181 billion

212 mm²

Die Size

67 mm²

Board Design

150W

TDP

25W

450 W

Suggested PSU

200 W

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

Outputs

1x DVI 1x VGA 1x S-Video

1x 6-pin

Power Connectors

None

Graphics Features

12 (11_1)

DirectX

10.1 (10_1)

4.6

OpenGL

3.3

1.2

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

5.1

Shader Model

4.1

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