Home GPU Comparison AMD Radeon R7 260X vs ATI Radeon HD 2900 XTX

AMD Radeon R7 260X vs ATI Radeon HD 2900 XTX

We compared two Desktop platform GPUs: 2GB VRAM Radeon R7 260X 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 R7 260X 's Advantages
More VRAM (2GB vs 512GB)
576 additional rendering cores
Lower TDP (115W vs 240W)
ATI Radeon HD 2900 XTX 's Advantages
Larger VRAM bandwidth (106.0GB/s vs 104.0GB/s)

Score

Benchmark

FP32 (float)
Radeon R7 260X +314%
1.971 TFLOPS
Radeon HD 2900 XTX
0.476 TFLOPS
VS

Graphics Card

Oct 2013
Release Date
Unknown
Volcanic Islands
Generation
Radeon R600
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 1.0 x16

Clock Speeds

-
-
-
-
-
-
1625 MHz
Memory Clock
828 MHz

Memory

2GB
Memory Size
512MB
GDDR5
Memory Type
GDDR3
128bit
Memory Bus
512bit
104.0GB/s
Bandwidth
106.0GB/s

Render Config

14
Compute Units
4
-
-
-
896
Shading Units
320
56
TMUs
16
16
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
256 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

17.60 GPixel/s
Pixel Rate
11.89 GPixel/s
61.60 GTexel/s
Texture Rate
11.89 GTexel/s
-
-
-
1.971 TFLOPS
FP32 (float)
475.5 GFLOPS
123.2 GFLOPS
FP64 (double)
-

Board Design

115W
TDP
240W
300 W
Suggested PSU
550 W
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
Outputs
2x DVI 1x S-Video
1x 6-pin
Power Connectors
2x 6-pin

Graphics Processor

Bonaire
GPU Name
R600
Bonaire XTX (215-0839097)
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

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
-
-
-
6.3
Shader Model
4.0

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