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 960A
CORE STATE
GM107
VRAM
2 GB
CLOCK SPEED
1176 MHz
TDP
75 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6770
GTX 960A
Core Specs
Shading Units
800
640
-20.0%
Shaders
800
640
-20.0%
TMUs
40
40
0.0%
ROPs
16
16
0.0%
Compute Units
10
—
Clocks
Base Clock
—
1097 MHz
Boost Clock
—
1176 MHz
GPU Clock
850 MHz
—
Memory Clock
1200 MHz
4.8 Gbps effective
1253 MHz
5 Gbps effective
Memory
Memory Size
1024 MB
2 GB
VRAM (MB)
1,024
2,048
+100.0%
Memory Type
GDDR5
GDDR5
Memory Bus
128 bit
128 bit
Bandwidth
76.80 GB/s
80.19 GB/s
Cache
L1 Cache
8 KB (per CU)
64 KB (per SMM)
L2 Cache
256 KB
2 MB
Performance
Pixel Rate
13.60 GPixel/s
18.82 GPixel/s
Texture Rate
34.00 GTexel/s
47.04 GTexel/s
FP32 (TFLOPS)
1,360.0 GFLOPS
1.505 TFLOPS
FP64 (TFLOPS)
—
47.04 GFLOPS (1:32)
Power
TDP
108 W
75 W
TDP (W)
108
75
-30.6%
Suggested PSU
300 W
—
Power Connectors
1x 6-pin
None
Architecture
Architecture
TeraScale 2
Maxwell
GPU Name
Juniper
GM107
Generation
Northern Islands
(HD 6700)
GeForce 900A
Process Size
40 nm
28 nm
Transistors
1,040 million
1,870 million
Die Size
166 mm²
148 mm²
Foundry
TSMC
TSMC
Density
6.3M / mm²
12.6M / mm²
API Support
DirectX
11.2 (11_0)
12 (11_0)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
3.0
CUDA
—
5.0
Shader Model
5.0
6.7 (5.1)
Physical
Slot Width
Dual-slot
MXM Module
Length
198 mm
7.8 inches
—
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
Portable Device Dependent
Bus Interface
PCIe 2.0 x16
MXM-B (3.0)
Other
Launch Price
129 USD
—
Production
End-of-life
End-of-life
Predecessor
Evergreen
GeForce 800A
Successor
Southern Islands
—