AMD Radeon HD 7790 vs ATI Radeon HD 2900 XTX

VS

AMD Radeon HD 7790 ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 1024MB VRAM Radeon HD 7790 and 512MB VRAM Radeon HD 2900 XTX to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7790 's Advantages

More VRAM (1024GB vs 512GB)

576 additional rendering cores

Lower TDP (85W vs 240W)

ATI Radeon HD 2900 XTX 's Advantages

Larger VRAM bandwidth (106.0GB/s vs 96.00GB/s)

Score

Benchmark

FP32 (float)

Radeon HD 7790 +276%

1.792 TFLOPS

Radeon HD 2900 XTX

0.476 TFLOPS

Radeon HD 7790

VS

Radeon HD 2900 XTX

Graphics Card

Mar 2013

Release Date

Unknown

Southern Islands

Generation

Radeon R600

Desktop

Type

Desktop

PCIe 3.0 x16

Bus Interface

PCIe 1.0 x16

Clock Speeds

-

Base Clock

-

Boost Clock

-

1500 MHz

Memory Clock

828 MHz

Memory

1024MB

Memory Size

512MB

GDDR5

Memory Type

GDDR3

128bit

Memory Bus

512bit

96.00GB/s

Bandwidth

106.0GB/s

Render Config

-

SM Count

-

14

Compute Units

4

896

Shading Units

320

56

TMUs

16

ROPs

16

-

Tensor Cores

-

RT Cores

-

16 KB (per CU)

L1 Cache

-

256 KB

L2 Cache

256 KB

Theoretical Performance

16.00 GPixel/s

Pixel Rate

11.89 GPixel/s

56.00 GTexel/s

Texture Rate

11.89 GTexel/s

-

FP16 (half)

-

1.792 TFLOPS

FP32 (float)

475.5 GFLOPS

112.0 GFLOPS

FP64 (double)

-

Graphics Processor

Bonaire

GPU Name

R600

Bonaire XT (215-0839039)

GPU Variant

R600 XTX A11 (215RGMDKA11FG)

GCN 2.0

Architecture

TeraScale

TSMC

Foundry

TSMC

28 nm

Process Size

80 nm

2.08 billion

Transistors

0.72 billion

160 mm²

Die Size

420 mm²

Board Design

85W

TDP

240W

250 W

Suggested PSU

550 W

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

Outputs

2x DVI 1x S-Video

1x 6-pin

Power Connectors

2x 6-pin

Graphics Features

12 (12_0)

DirectX

10.0 (10_0)

4.6

OpenGL

3.3 (full) 4.0 (partial)

2.0

OpenCL

N/A

1.2

Vulkan

N/A

-

CUDA

-

6.3

Shader Model

4.0

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