GPU Comparison
RADEON
AMD Radeon HD 8850M
CORE STATE
Venus
VRAM
2 GB
CLOCK SPEED
625 MHz
TDP
—
BUS WIDTH
128 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 8850M
R9 M295X
Core Specs
Shading Units
640
2,048
+220.0%
Shaders
640
2,048
+220.0%
TMUs
40
128
+220.0%
ROPs
16
32
+100.0%
Compute Units
10
32
+220.0%
Clocks
Base Clock
575 MHz
—
Boost Clock
625 MHz
—
GPU Clock
—
723 MHz
Memory Clock
1000 MHz
4 Gbps effective
1250 MHz
5 Gbps effective
Memory
Memory Size
2 GB
4 GB
VRAM (MB)
2,048
4,096
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
256 bit
Bandwidth
64.00 GB/s
160.0 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per CU)
L2 Cache
256 KB
512 KB
Performance
Pixel Rate
10.00 GPixel/s
23.14 GPixel/s
Texture Rate
25.00 GTexel/s
92.54 GTexel/s
FP32 (TFLOPS)
800.0 GFLOPS
2.961 TFLOPS
FP64 (TFLOPS)
50.00 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
Venus
Amethyst
Generation
Solar System
(HD 8800M)
Gem System
(R9 M200)
Process Size
28 nm
28 nm
Transistors
1,500 million
5,000 million
Die Size
123 mm²
366 mm²
Foundry
TSMC
TSMC
Density
12.2M / 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 x16
MXM-B (3.0)
Other
Production
End-of-life
End-of-life
Predecessor
London
Solar System
Successor
Gem System
Polaris Mobile