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GPU Comparison
AMD Radeon R7 A260 vs AMD Radeon HD 7870M
AMD Radeon R7 A260 vs AMD Radeon HD 7870M
VS
AMD Radeon R7 A260
AMD Radeon HD 7870M
We compared two Mobile platform GPUs: 1024MB VRAM Radeon R7 A260 and 2GB VRAM Radeon HD 7870M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
AMD Radeon R7 A260 's Advantages
Released 1 years and 9 months late
Boost Clock980MHz
AMD Radeon HD 7870M 's Advantages
More VRAM (2GB vs 1GB)
Larger VRAM bandwidth (64.00GB/s vs 57.60GB/s)
256 additional rendering cores
Score
Benchmark
FP32 (float)
Radeon R7 A260
0.752 TFLOPS
Radeon HD 7870M
+36%
1.024 TFLOPS
Radeon R7 A260
VS
Radeon HD 7870M
Graphics Card
Jan 2014
Release Date
Apr 2012
All-In-One
Generation
London
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 3.0 x16
Clock Speeds
900 MHz
Base Clock
-
980 MHz
Boost Clock
-
900 MHz
Memory Clock
1000 MHz
Memory
1024MB
Memory Size
2GB
GDDR5
Memory Type
GDDR5
128bit
Memory Bus
128bit
57.60GB/s
Bandwidth
64.00GB/s
Render Config
-
SM Count
-
6
Compute Units
10
384
Shading Units
640
24
TMUs
40
8
ROPs
16
-
Tensor Cores
-
-
RT Cores
-
16 KB (per CU)
L1 Cache
16 KB (per CU)
256 KB
L2 Cache
256 KB
Theoretical Performance
7.840 GPixel/s
Pixel Rate
12.80 GPixel/s
23.52 GTexel/s
Texture Rate
32.00 GTexel/s
-
FP16 (half)
-
752.6 GFLOPS
FP32 (float)
1024 GFLOPS
-
FP64 (double)
64.00 GFLOPS
Graphics Processor
Topaz
GPU Name
Heathrow
Topaz XT (216-0858020)
GPU Variant
Heathrow XT (216-0835033)
GCN 3.0
Architecture
GCN 1.0
TSMC
Foundry
TSMC
28 nm
Process Size
28 nm
1.55 billion
Transistors
1.5 billion
125 mm²
Die Size
123 mm²
Board Design
Unknown
TDP
45W
-
Suggested PSU
-
Portable Device Dependent
Outputs
No outputs
-
Power Connectors
-
Graphics Features
12 (12_0)
DirectX
12 (11_1)
4.6
OpenGL
4.6
2.1
OpenCL
1.2
1.2.170
Vulkan
1.2
-
CUDA
-
6.5
Shader Model
5.1
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