Home GPU Comparison AMD Radeon HD 8750A vs ATI Mobility Radeon HD 3870

AMD Radeon HD 8750A vs ATI Mobility Radeon HD 3870

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8750A and 512MB VRAM Mobility Radeon HD 3870 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8750A 's Advantages
Released 4 years and 8 months late
More VRAM (1024GB vs 512GB)
64 additional rendering cores
Lower TDP (45W vs 55W)
ATI Mobility Radeon HD 3870 's Advantages
Larger VRAM bandwidth (54.40GB/s vs 16.00GB/s)

Score

Benchmark

FP32 (float)
Radeon HD 8750A +9%
0.461 TFLOPS
Mobility Radeon HD 3870
0.422 TFLOPS
VS

Graphics Card

Feb 2013
Release Date
Jun 2008
All-In-One
Generation
M8x
Mobile
Type
Mobile
MXM-A (3.0)
Bus Interface
PCIe 2.0 x16

Clock Speeds

-
-
-
-
-
-
1000 MHz
Memory Clock
850 MHz

Memory

1024MB
Memory Size
512MB
DDR3
Memory Type
GDDR3
64bit
Memory Bus
256bit
16.00GB/s
Bandwidth
54.40GB/s

Render Config

6
Compute Units
4
-
-
-
384
Shading Units
320
24
TMUs
16
8
ROPs
16
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
-
128 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

4.800 GPixel/s
Pixel Rate
10.56 GPixel/s
14.40 GTexel/s
Texture Rate
10.56 GTexel/s
-
-
-
460.8 GFLOPS
FP32 (float)
422.4 GFLOPS
28.80 GFLOPS
FP64 (double)
84.48 GFLOPS

Board Design

45W
TDP
55W
-
-
-
No outputs
Outputs
No outputs
-
-
-

Graphics Processor

Mars
GPU Name
M88
Mars XT
GPU Variant
-
GCN 1.0
Architecture
TeraScale
TSMC
Foundry
TSMC
28 nm
Process Size
55 nm
0.95 billion
Transistors
0.666 billion
77 mm²
Die Size
192 mm²

Graphics Features

12 (11_1)
DirectX
10.1 (10_1)
4.6
OpenGL
3.3
1.2
OpenCL
N/A
1.2
Vulkan
N/A
-
-
-
5.1
Shader Model
4.1

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