ATI Radeon HD 2900 GT vs AMD Radeon HD 7720 OEM

VS

ATI Radeon HD 2900 GT AMD Radeon HD 7720 OEM

We compared two Desktop platform GPUs: 256MB VRAM Radeon HD 2900 GT and 1024MB VRAM Radeon HD 7720 OEM to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7720 OEM 's Advantages

Released 5 years and 4 months late

More VRAM (1024GB vs 256GB)

Larger VRAM bandwidth (134.4GB/s vs 51.20GB/s)

560 additional rendering cores

Score

Benchmark

FP32 (float)

Radeon HD 2900 GT

0.288 TFLOPS

Radeon HD 7720 OEM +366%

1.344 TFLOPS

Radeon HD 2900 GT

VS

Radeon HD 7720 OEM

Graphics Card

Nov 2007

Release Date

Mar 2013

Radeon R600

Generation

Southern Islands

Desktop

Type

Desktop

PCIe 1.0 x16

Bus Interface

PCIe 2.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

800 MHz

Memory Clock

1050 MHz

Memory

256MB

Memory Size

1024MB

GDDR3

Memory Type

GDDR5

256bit

Memory Bus

256bit

51.20GB/s

Bandwidth

134.4GB/s

Render Config

-

SM Count

-

3

Compute Units

10

240

Shading Units

800

12

TMUs

40

12

ROPs

32

-

Tensor Cores

-

RT Cores

-

L1 Cache

8 KB (per CU)

128 KB

L2 Cache

512 KB

Theoretical Performance

7.212 GPixel/s

Pixel Rate

26.88 GPixel/s

7.212 GTexel/s

Texture Rate

33.60 GTexel/s

-

FP16 (half)

-

288.5 GFLOPS

FP32 (float)

1344 GFLOPS

-

FP64 (double)

-

Graphics Processor

R600

GPU Name

Barts

R600 GT (215RGFDKA13FG)

GPU Variant

Barts LE (215-0798002)

TeraScale

Architecture

TeraScale 2

TSMC

Foundry

TSMC

80 nm

Process Size

40 nm

0.72 billion

Transistors

1.7 billion

420 mm²

Die Size

255 mm²

Board Design

150W

TDP

150W

450 W

Suggested PSU

450 W

2x DVI 1x S-Video

Outputs

2x DVI 1x HDMI 1.3a 1x DisplayPort 1.1

1x 8-pin

Power Connectors

-

Graphics Features

10.0 (10_0)

DirectX

11.2 (11_0)

3.3 (full) 4.0 (partial)

OpenGL

4.4

N/A

OpenCL

1.2

N/A

Vulkan

N/A

-

CUDA

-

4.0

Shader Model

5.0

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