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 950
CORE STATE
GM206
VRAM
2 GB
CLOCK SPEED
1188 MHz
TDP
90 W
BUS WIDTH
128 bit
ARCHITECTURE
Maxwell 2.0
PROCESS
28 nm
LAUNCH DATE
2015
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_metal
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6770
GTX 950
Core Specs
Shading Units
800
768
-4.0%
Shaders
800
768
-4.0%
TMUs
40
48
+20.0%
ROPs
16
32
+100.0%
Compute Units
10
—
Clocks
Base Clock
—
1024 MHz
Boost Clock
—
1188 MHz
GPU Clock
850 MHz
—
Memory Clock
1200 MHz
4.8 Gbps effective
1653 MHz
6.6 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
105.8 GB/s
Cache
L1 Cache
8 KB (per CU)
48 KB (per SMM)
L2 Cache
256 KB
1024 KB
Performance
Pixel Rate
13.60 GPixel/s
38.02 GPixel/s
Texture Rate
34.00 GTexel/s
57.02 GTexel/s
FP32 (TFLOPS)
1,360.0 GFLOPS
1.825 TFLOPS
FP64 (TFLOPS)
—
57.02 GFLOPS (1:32)
Power
TDP
108 W
90 W
TDP (W)
108
90
-16.7%
Suggested PSU
300 W
250 W
Power Connectors
1x 6-pin
1x 6-pin
Architecture
Architecture
TeraScale 2
Maxwell 2.0
GPU Name
Juniper
GM206
Generation
Northern Islands
(HD 6700)
GeForce 900
Process Size
40 nm
28 nm
Transistors
1,040 million
2,940 million
Die Size
166 mm²
228 mm²
Foundry
TSMC
TSMC
Density
6.3M / mm²
12.9M / mm²
API Support
DirectX
11.2 (11_0)
12 (12_1)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
3.0
CUDA
—
5.2
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Dual-slot
Length
198 mm
7.8 inches
202 mm
8 inches
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
1x DVI1x HDMI 2.03x DisplayPort 1.2
Bus Interface
PCIe 2.0 x16
PCIe 3.0 x16
Other
Launch Price
129 USD
159 USD
Production
End-of-life
End-of-life
Predecessor
Evergreen
GeForce 700
Successor
Southern Islands
GeForce 10