Home GPU Comparison AMD Radeon HD 7970 X2 vs AMD Radeon R7 260X

AMD Radeon HD 7970 X2 vs AMD Radeon R7 260X

We compared two Desktop platform GPUs: 3GB VRAM Radeon HD 7970 X2 and 2GB VRAM Radeon R7 260X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 7970 X2 's Advantages
More VRAM (3GB vs 2GB)
Larger VRAM bandwidth (264.0GB/s vs 104.0GB/s)
1152 additional rendering cores
AMD Radeon R7 260X 's Advantages
Released 1 years and 2 months late
Lower TDP (115W vs 500W)

Score

Benchmark

FP32 (float)
Radeon HD 7970 X2 +92%
3.789 TFLOPS
Radeon R7 260X
1.971 TFLOPS
VS

Graphics Card

Aug 2012
Release Date
Oct 2013
Southern Islands
Generation
Volcanic Islands
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 3.0 x16

Clock Speeds

-
-
-
-
-
-
1375 MHz
Memory Clock
1625 MHz

Memory

3GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
384bit
Memory Bus
128bit
264.0GB/s
Bandwidth
104.0GB/s

Render Config

32
Compute Units
14
-
-
-
2048
Shading Units
896
128
TMUs
56
32
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
768 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

29.60 GPixel/s
Pixel Rate
17.60 GPixel/s
118.4 GTexel/s
Texture Rate
61.60 GTexel/s
-
-
-
3.789 TFLOPS
FP32 (float)
1.971 TFLOPS
947.2 GFLOPS
FP64 (double)
123.2 GFLOPS

Board Design

500W
TDP
115W
900 W
Suggested PSU
300 W
2x DVI 1x HDMI 1.4a 2x mini-DisplayPort 1.2
Outputs
2x DVI 1x HDMI 1.4a 1x DisplayPort 1.2
3x 8-pin
Power Connectors
1x 6-pin

Graphics Processor

New Zealand
GPU Name
Bonaire
-
GPU Variant
Bonaire XTX (215-0839097)
GCN 1.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
4.313 billion
Transistors
2.08 billion
352 mm²
Die Size
160 mm²

Graphics Features

12 (11_1)
DirectX
12 (12_0)
4.6
OpenGL
4.6
1.2
OpenCL
2.0
1.2
Vulkan
1.2
-
-
-
5.1
Shader Model
6.3

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