ATI Radeon HD 2900 XTX vs ATI Radeon HD 4830

VS

ATI Radeon HD 2900 XTX ATI Radeon HD 4830

We compared two Desktop platform GPUs: 512MB VRAM Radeon HD 2900 XTX and 512MB VRAM Radeon HD 4830 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 57.60GB/s)

ATI Radeon HD 4830 's Advantages

320 additional rendering cores

Lower TDP (95W vs 240W)

Score

Benchmark

FP32 (float)

Radeon HD 2900 XTX

0.476 TFLOPS

Radeon HD 4830 +54%

0.736 TFLOPS

Radeon HD 2900 XTX

VS

Radeon HD 4830

Graphics Card

Unknown

Release Date

Oct 2008

Radeon R600

Generation

Radeon R700

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

828 MHz

Memory Clock

900 MHz

Memory

512MB

Memory Size

512MB

GDDR3

Memory Type

GDDR3

512bit

Memory Bus

256bit

106.0GB/s

Bandwidth

57.60GB/s

Render Config

-

SM Count

-

4

Compute Units

8

320

Shading Units

640

16

TMUs

32

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

L1 Cache

16 KB (per CU)

256 KB

L2 Cache

256 KB

Theoretical Performance

11.89 GPixel/s

Pixel Rate

9.200 GPixel/s

11.89 GTexel/s

Texture Rate

18.40 GTexel/s

-

FP16 (half)

-

475.5 GFLOPS

FP32 (float)

736.0 GFLOPS

-

FP64 (double)

147.2 GFLOPS

Graphics Processor

R600

GPU Name

RV770

R600 XTX A11 (215RGMDKA11FG)

GPU Variant

RV770 LE (215-0669075)

TeraScale

Architecture

TeraScale

TSMC

Foundry

TSMC

80 nm

Process Size

55 nm

0.72 billion

Transistors

0.956 billion

420 mm²

Die Size

256 mm²

Board Design

240W

TDP

95W

550 W

Suggested PSU

250 W

2x DVI 1x S-Video

Outputs

2x DVI 1x S-Video

2x 6-pin

Power Connectors

1x 6-pin

Graphics Features

10.0 (10_0)

DirectX

10.1 (10_1)

3.3 (full) 4.0 (partial)

OpenGL

3.3

N/A

OpenCL

1.1

N/A

Vulkan

N/A

-

CUDA

-

4.0

Shader Model

4.1

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