ATI Radeon HD 5970 vs ATI Radeon HD 4450

VS

We compared two Desktop platform GPUs: 1024MB VRAM ATI Radeon HD 5970 and 512MB VRAM Radeon HD 4450 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 5970 's Advantages

More VRAM (1024GB vs 512GB)

Larger VRAM bandwidth (128.0GB/s vs 6.400GB/s)

1520 additional rendering cores

ATI Radeon HD 4450 's Advantages

Released 2 years late

Lower TDP (25W vs 294W)

Score

Benchmark

FP32 (float)

ATI Radeon HD 5970 +2316%

2.32 TFLOPS

Radeon HD 4450

0.096 TFLOPS

ATI Radeon HD 5970

VS

Radeon HD 4450

Graphics Card

Nov 2009

Release Date

Nov 2011

Evergreen

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1000 MHz

Memory Clock

400 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

DDR2

256bit

Memory Bus

64bit

128.0GB/s

Bandwidth

6.400GB/s

Render Config

-

SM Count

-

20

Compute Units

1

1600

Shading Units

80

TMUs

8

32

ROPs

4

-

Tensor Cores

-

RT Cores

-

8 KB (per CU)

L1 Cache

16 KB (per CU)

512 KB

L2 Cache

64 KB

Theoretical Performance

23.20 GPixel/s

Pixel Rate

2.400 GPixel/s

58.00 GTexel/s

Texture Rate

4.800 GTexel/s

-

FP16 (half)

-

2.320 TFLOPS

FP32 (float)

96.00 GFLOPS

464.0 GFLOPS

FP64 (double)

-

Graphics Processor

Hemlock

GPU Name

RV710

Hemlock XT (215-0735075)

GPU Variant

RV710 (215-0725016)

TeraScale 2

Architecture

TeraScale

TSMC

Foundry

TSMC

40 nm

Process Size

55 nm

2.154 billion

Transistors

0.242 billion

334 mm²

Die Size

73 mm²

Board Design

294W

TDP

25W

600 W

Suggested PSU

200 W

2x DVI 1x mini-DisplayPort 1.1

Outputs

1x DVI 1x HDMI 1.3a 1x DisplayPort 1.0

1x 6-pin + 1x 8-pin

Power Connectors

None

Graphics Features

11.2 (11_0)

DirectX

10.1 (10_1)

4.4

OpenGL

3.3

1.2

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

-

5.0

Shader Model

4.1

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