GPU Comparison
RADEON
AMD Radeon HD 8670M
CORE STATE
Sun
VRAM
1024 MB
CLOCK SPEED
975 MHz
TDP
—
BUS WIDTH
64 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
RADEON
Radeon R9 M295X
CORE STATE
Amethyst
VRAM
4 GB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
256 bit
ARCHITECTURE
GCN 3.0
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8670M
R9 M295X
Core Specs
Shading Units
320
2,048
+540.0%
Shaders
320
2,048
+540.0%
TMUs
20
128
+540.0%
ROPs
8
32
+300.0%
Compute Units
5
32
+540.0%
Clocks
Base Clock
925 MHz
—
Boost Clock
975 MHz
—
GPU Clock
—
723 MHz
Memory Clock
900 MHz
1800 Mbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
DDR3
GDDR5
Memory Bus
64 bit
256 bit
Bandwidth
14.40 GB/s
160.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
128 KB
512 KB
Performance
Pixel Rate
7.800 GPixel/s
23.14 GPixel/s
Texture Rate
19.50 GTexel/s
92.54 GTexel/s
FP32 (TFLOPS)
624.0 GFLOPS
2.961 TFLOPS
FP64 (TFLOPS)
39.00 GFLOPS (1:16)
185.1 GFLOPS (1:16)
FP16 (TFLOPS)
—
2.961 TFLOPS (1:1)
Power
TDP
—
250 W
TDP (W)
—
250
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
GCN 3.0
GPU Name
Sun
Amethyst
Generation
Solar System
(HD 8600M)
Gem System
(R9 M200)
Process Size
28 nm
28 nm
Transistors
690 million
5,000 million
Die Size
56 mm²
366 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
13.7M / mm²
API Support
DirectX
12 (11_1)
12 (12_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.170
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.5
Physical
Slot Width
—
MXM Module
Outputs
—
Portable Device Dependent
Bus Interface
PCIe 3.0 x8
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
London
Solar System
Successor
Gem System
Polaris Mobile