GPU Comparison
RADEON
AMD Radeon HD 6770
CORE STATE
Juniper
VRAM
1024 MB
CLOCK SPEED
—
TDP
108 W
BUS WIDTH
128 bit
ARCHITECTURE
TeraScale 2
PROCESS
40 nm
LAUNCH DATE
2011
VS
GEFORCE
Tesla C2075
CORE STATE
GF110
VRAM
6 GB
CLOCK SPEED
—
TDP
247 W
BUS WIDTH
384 bit
ARCHITECTURE
Fermi 2.0
PROCESS
40 nm
LAUNCH DATE
2011
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6770
Tesla C2075
Core Specs
Shading Units
800
448
-44.0%
Shaders
800
448
-44.0%
TMUs
40
56
+40.0%
ROPs
16
48
+200.0%
Compute Units
10
—
SM Count
—
14
Clocks
GPU Clock
850 MHz
574 MHz
Shader Clock
—
1147 MHz
Memory Clock
1200 MHz
4.8 Gbps effective
783 MHz
3.1 Gbps effective
Memory
Memory Size
1024 MB
6 GB
VRAM (MB)
1,024
6,144
+500.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
76.80 GB/s
150.3 GB/s
Cache
L1 Cache
8 KB (per CU)
64 KB (per SM)
L2 Cache
256 KB
768 KB
Performance
Pixel Rate
13.60 GPixel/s
16.07 GPixel/s
Texture Rate
34.00 GTexel/s
32.14 GTexel/s
FP32 (TFLOPS)
1,360.0 GFLOPS
1,027.7 GFLOPS
FP64 (TFLOPS)
—
513.9 GFLOPS (1:2)
Power
TDP
108 W
247 W
TDP (W)
108
247
+128.7%
Suggested PSU
300 W
550 W
Power Connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
TeraScale 2
Fermi 2.0
GPU Name
Juniper
GF110
Generation
Northern Islands
(HD 6700)
Tesla Fermi
(x20xx)
Process Size
40 nm
40 nm
Transistors
1,040 million
3,000 million
Die Size
166 mm²
520 mm²
Foundry
TSMC
TSMC
Density
6.3M / mm²
5.8M / mm²
API Support
DirectX
11.2 (11_0)
12 (11_0)
OpenGL
4.4
4.6
OpenCL
1.2
1.1
CUDA
—
2.0
Shader Model
5.0
5.1
Physical
Slot Width
Dual-slot
Dual-slot
Length
198 mm
7.8 inches
248 mm
9.8 inches
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
1x DVI
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Other
Launch Price
129 USD
—
Production
End-of-life
End-of-life
Predecessor
Evergreen
Tesla
Successor
Southern Islands
Tesla Kepler