Home GPU Comparison AMD Radeon HD 8670M vs AMD Radeon HD 6450A

AMD Radeon HD 8670M vs AMD Radeon HD 6450A

We compared two Mobile platform GPUs: 1024MB VRAM Radeon HD 8670M and 512MB VRAM Radeon HD 6450A 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 11 months late
Boost Clock975MHz
More VRAM (1024GB vs 512GB)
Larger VRAM bandwidth (14.40GB/s vs 8.528GB/s)
160 additional rendering cores

Score

Benchmark

FP32 (float)
Radeon HD 8670M +212%
0.624 TFLOPS
Radeon HD 6450A
0.2 TFLOPS
VS

Graphics Card

Mar 2013
Release Date
Apr 2011
Solar System
Generation
All-In-One
Mobile
Type
Mobile
PCIe 3.0 x8
Bus Interface
MXM-A (3.0)

Clock Speeds

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

Memory

1024MB
Memory Size
512MB
DDR3
Memory Type
DDR3
64bit
Memory Bus
64bit
14.40GB/s
Bandwidth
8.528GB/s

Render Config

5
Compute Units
2
-
-
-
320
Shading Units
160
20
TMUs
8
8
ROPs
4
-
-
-
-
-
-
16 KB (per CU)
L1 Cache
8 KB (per CU)
128 KB
L2 Cache
128 KB
-
-
-

Theoretical Performance

7.800 GPixel/s
Pixel Rate
2.500 GPixel/s
19.50 GTexel/s
Texture Rate
5.000 GTexel/s
-
-
-
624.0 GFLOPS
FP32 (float)
200.0 GFLOPS
39.00 GFLOPS
FP64 (double)
-

Board Design

Unknown
TDP
25W
-
-
-
Portable Device Dependent
Outputs
No outputs
-
-
-

Graphics Processor

Sun
GPU Name
Caicos
Sun S3 XT (216-0841009)
GPU Variant
-
GCN 1.0
Architecture
TeraScale 2
TSMC
Foundry
TSMC
28 nm
Process Size
40 nm
0.69 billion
Transistors
0.37 billion
56 mm²
Die Size
67 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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