Home GPU Comparison AMD Radeon HD 8670M vs AMD Radeon HD 7630M

AMD Radeon HD 8670M vs AMD Radeon HD 7630M

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 1024MB VRAM Radeon HD 7630M to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

AMD Radeon HD 8670M 's Advantages
Released 1 years and 2 months late
Boost Clock975MHz
AMD Radeon HD 7630M 's Advantages
Larger VRAM bandwidth (25.60GB/s vs 14.40GB/s)
160 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 8670M +44%
0.624 TFLOPS
Radeon HD 7630M
0.432 TFLOPS
VS

Graphics Card

Mar 2013
Release Date
Jan 2012
Solar System
Generation
London
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
PCIe 2.0 x16

Clock Speeds

925 MHz
Base Clock
-
975 MHz
Boost Clock
-
900 MHz
Memory Clock
800 MHz

Memory

1024MB
Memory Size
1024MB
DDR3
Memory Type
DDR3
64bit
Memory Bus
128bit
14.40GB/s
Bandwidth
25.60GB/s

Render Config

5
Compute Units
6
-
-
-
320
Shading Units
480
20
TMUs
24
8
ROPs
8
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
256 KB
-
-
-

Theoretical Performance

7.800 GPixel/s
Pixel Rate
3.600 GPixel/s
19.50 GTexel/s
Texture Rate
10.80 GTexel/s
-
-
-
624.0 GFLOPS
FP32 (float)
432.0 GFLOPS
39.00 GFLOPS
FP64 (double)
-

Board Design

Unknown
TDP
20W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Sun
GPU Name
Thames
Sun S3 XT (216-0841009)
GPU Variant
Thames LP
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
0.69 billion
Transistors
0.716 billion
56 mm²
Die Size
104 mm²

Graphics Features

12 (11_1)
DirectX
11.2 (11_0)
4.6
OpenGL
4.4
2.1 (1.2)
OpenCL
1.2
1.2.170
Vulkan
N/A
-
-
-
6.5 (5.1)
Shader Model
5.0

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