Radeon HD 7870 GHz Edition vs Radeon R7 260X
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 GHz Edition and 2GB VRAM Radeon R7 260X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
Radeon HD 7870 GHz Edition 's Advantages
Larger VRAM bandwidth (153.6GB/s vs 104.0GB/s)
384 additional rendering cores
Radeon R7 260X 's Advantages
Released 1 years and 7 months late
Lower TDP (115W vs 175W)
Score
Benchmark
FP32 (float)
Radeon HD 7870 GHz Edition
+29%
2560
Radeon R7 260X
1971
Graphics Card
Mar 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
1200 MHz
Memory Clock
1625 MHz
Memory
2GB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
256bit
Memory Bus
128bit
153.6GB/s
Bandwidth
104.0GB/s
Render Config
20
Compute Units
14
1280
Shading Units
896
80
TMUs
56
32
ROPs
16
16 KB (per CU)
L1 Cache
16 KB (per CU)
512 KB
L2 Cache
256 KB
Theoretical Performance
32.00 GPixel/s
Pixel Rate
17.60 GPixel/s
80.00 GTexel/s
Texture Rate
61.60 GTexel/s
2.560 TFLOPS
FP32 (float)
1.971 TFLOPS
160.0 GFLOPS
FP64 (double)
123.2 GFLOPS
Board Design
175W
TDP
115W
450 W
Suggested PSU
300 W
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Outputs
2x DVI
1x HDMI 1.4a
1x DisplayPort 1.2
2x 6-pin
Power Connectors
1x 6-pin
Graphics Processor
Pitcairn
GPU Name
Bonaire
Pitcairn XT
(215-0828047)
GPU Variant
Bonaire XTX
(215-0839097)
GCN 1.0
Architecture
GCN 2.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
2.8 billion
Transistors
2.08 billion
212 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
