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 680M
CORE STATE
GK104
VRAM
4 GB
CLOCK SPEED
758 MHz
TDP
100 W
BUS WIDTH
256 bit
ARCHITECTURE
Kepler
PROCESS
28 nm
LAUNCH DATE
2012
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
DETAILED SPECIFICATIONS
SPECIFICATION
HD 8870M
GTX 680M
Core Specs
Shading Units
640
1,344
+110.0%
Shaders
640
1,344
+110.0%
TMUs
40
112
+180.0%
ROPs
16
32
+100.0%
Compute Units
10
—
Clocks
Base Clock
725 MHz
719 MHz
Boost Clock
775 MHz
758 MHz
Memory Clock
1125 MHz
4.5 Gbps effective
900 MHz
3.6 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
72.00 GB/s
115.2 GB/s
Cache
L1 Cache
16 KB (per CU)
16 KB (per SMX)
L2 Cache
256 KB
512 KB
Performance
Pixel Rate
12.40 GPixel/s
21.22 GPixel/s
Texture Rate
31.00 GTexel/s
84.90 GTexel/s
FP32 (TFLOPS)
992.0 GFLOPS
2.038 TFLOPS
FP64 (TFLOPS)
62.00 GFLOPS (1:16)
84.90 GFLOPS (1:24)
Power
TDP
—
100 W
TDP (W)
—
100
Power Connectors
—
None
Architecture
Architecture
GCN 1.0
Kepler
GPU Name
Venus
GK104
Generation
Solar System
(HD 8800M)
GeForce 600M
Process Size
28 nm
28 nm
Transistors
1,500 million
3,540 million
Die Size
123 mm²
294 mm²
Foundry
TSMC
TSMC
Density
12.2M / mm²
12.0M / mm²
API Support
DirectX
12 (11_1)
12 (11_0)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.2.175
OpenCL
2.1 (1.2)
3.0
CUDA
—
3.0
Shader Model
6.5 (5.1)
6.5 (5.1)
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
GeForce 500M
Successor
Gem System
GeForce 700M