GPU Comparison
RADEON
AMD Radeon HD 8870M
CORE STATE
Venus
VRAM
2 GB
CLOCK SPEED
775 MHz
TDP
—
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
VS
GEFORCE
GeForce GTX 850M
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
—
TDP
45 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2014
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8870M
GTX 850M
Core Specs
Shading Units
640
640
0.0%
Shaders
640
640
0.0%
TMUs
40
40
0.0%
ROPs
16
16
0.0%
Compute Units
10
—
Clocks
Base Clock
725 MHz
—
Boost Clock
775 MHz
—
GPU Clock
—
902 MHz
Memory Clock
1125 MHz
4.5 Gbps effective
1001 MHz
2 Gbps effective
Memory
Memory Size
2 GB
2 GB
VRAM (MB)
2,048
2,048
0.0%
Memory Type
GDDR5
DDR3
Memory Bus
128 bit
128 bit
Bandwidth
72.00 GB/s
32.03 GB/s
Cache
L1 Cache
16 KB (per CU)
64 KB (per SMM)
L2 Cache
256 KB
2 MB
Performance
Pixel Rate
12.40 GPixel/s
14.43 GPixel/s
Texture Rate
31.00 GTexel/s
36.08 GTexel/s
FP32 (TFLOPS)
992.0 GFLOPS
1,154.6 GFLOPS
FP64 (TFLOPS)
62.00 GFLOPS (1:16)
36.08 GFLOPS (1:32)
Power
TDP
—
45 W
TDP (W)
—
45
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
Maxwell
GPU Name
Venus
GM107
Generation
Solar System
(HD 8800M)
GeForce 800M
Process Size
28 nm
28 nm
Transistors
1,500 million
1,870 million
Die Size
123 mm²
148 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
12.6M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
5.0
Shader Model
6.5 (5.1)
6.7 (5.1)
Physical
Slot Width
—
IGP
Outputs
—
Portable Device Dependent
Bus Interface
PCIe 3.0 x16
PCIe 3.0 x16
Other
Production
End-of-life
End-of-life
Predecessor
London
GeForce 700M
Successor
Gem System
GeForce 900M