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
GeForce GTX 480
CORE STATE
GF100
VRAM
1536 MB
CLOCK SPEED
—
TDP
250 W
BUS WIDTH
384 bit
ARCHITECTURE
Fermi
PROCESS
40 nm
LAUNCH DATE
2010
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6770
GTX 480
Core Specs
Shading Units
800
480
-40.0%
Shaders
800
480
-40.0%
TMUs
40
60
+50.0%
ROPs
16
48
+200.0%
Compute Units
10
—
SM Count
—
15
Clocks
GPU Clock
850 MHz
701 MHz
Shader Clock
—
1401 MHz
Memory Clock
1200 MHz
4.8 Gbps effective
924 MHz
3.7 Gbps effective
Memory
Memory Size
1024 MB
1536 MB
VRAM (MB)
1,024
1,536
+50.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
384 bit
Bandwidth
76.80 GB/s
177.4 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
21.03 GPixel/s
Texture Rate
34.00 GTexel/s
42.06 GTexel/s
FP32 (TFLOPS)
1,360.0 GFLOPS
1,345.0 GFLOPS
FP64 (TFLOPS)
—
168.1 GFLOPS (1:8)
Power
TDP
108 W
250 W
TDP (W)
108
250
+131.5%
Suggested PSU
300 W
600 W
Power Connectors
1x 6-pin
1x 6-pin + 1x 8-pin
Architecture
Architecture
TeraScale 2
Fermi
GPU Name
Juniper
GF100
Generation
Northern Islands
(HD 6700)
GeForce 400
Process Size
40 nm
40 nm
Transistors
1,040 million
3,100 million
Die Size
166 mm²
529 mm²
Foundry
TSMC
TSMC
Density
6.3M / mm²
5.9M / 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
267 mm
10.5 inches
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
2x DVI1x mini-HDMI 1.3a
Bus Interface
PCIe 2.0 x16
PCIe 2.0 x16
Other
Launch Price
129 USD
499 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
GeForce 200
Successor
Southern Islands
GeForce 500