ATI Radeon HD 4890 vs AMD Radeon HD 7770 GHz Edition

VS

ATI Radeon HD 4890 AMD Radeon HD 7770 GHz Edition

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 4890 and 1024MB VRAM Radeon HD 7770 GHz Edition to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

ATI Radeon HD 4890 's Advantages

Larger VRAM bandwidth (124.8GB/s vs 72.00GB/s)

160 additional rendering cores

AMD Radeon HD 7770 GHz Edition 's Advantages

Released 2 years and 10 months late

Lower TDP (80W vs 190W)

Score

Benchmark

FP32 (float)

Radeon HD 4890 +6%

1.36 TFLOPS

Radeon HD 7770 GHz Edition

1.28 TFLOPS

Radeon HD 4890

VS

Radeon HD 7770 GHz Edition

Graphics Card

Apr 2009

Release Date

Feb 2012

Radeon R700

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 2.0 x16

Bus Interface

PCIe 3.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

975 MHz

Memory Clock

1125 MHz

Memory

1024MB

Memory Size

1024MB

GDDR5

Memory Type

GDDR5

256bit

Memory Bus

128bit

124.8GB/s

Bandwidth

72.00GB/s

Render Config

-

SM Count

-

10

Compute Units

10

800

Shading Units

640

40

TMUs

40

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

13.60 GPixel/s

Pixel Rate

16.00 GPixel/s

34.00 GTexel/s

Texture Rate

40.00 GTexel/s

-

FP16 (half)

-

1360 GFLOPS

FP32 (float)

1280 GFLOPS

272.0 GFLOPS

FP64 (double)

80.00 GFLOPS

Graphics Processor

RV790

GPU Name

Cape Verde

RV790 XT (215-0758016)

GPU Variant

Cape Verde XT

TeraScale

Architecture

GCN 1.0

TSMC

Foundry

TSMC

55 nm

Process Size

28 nm

0.959 billion

Transistors

1.5 billion

282 mm²

Die Size

123 mm²

Board Design

190W

TDP

80W

450 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

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

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

10.1 (10_1)

DirectX

12 (11_1)

3.3

OpenGL

4.6

1.1

OpenCL

1.2

N/A

Vulkan

1.2

-

CUDA

-

4.1

Shader Model

5.1

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