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
RTX A400
CORE STATE
GA107
VRAM
4 GB
CLOCK SPEED
1762 MHz
TDP
50 W
BUS WIDTH
64 bit
ARCHITECTURE
Ampere
PROCESS
8 nm
LAUNCH DATE
2024
PERFORMANCE BENCHMARKS
geekbench_opencl
geekbench_vulkan
DETAILED SPECIFICATIONS
SPECIFICATION
HD 6770
RTX A400
Core Specs
Shading Units
800
768
-4.0%
Shaders
800
768
-4.0%
TMUs
40
24
-40.0%
ROPs
16
16
0.0%
Compute Units
10
—
SM Count
—
6
Clocks
Base Clock
—
1417 MHz
Boost Clock
—
1762 MHz
GPU Clock
850 MHz
—
Memory Clock
1200 MHz
4.8 Gbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
GDDR5
GDDR6
Memory Bus
128 bit
64 bit
Bandwidth
76.80 GB/s
96.00 GB/s
Cache
L1 Cache
8 KB (per CU)
128 KB (per SM)
L2 Cache
256 KB
2 MB
Performance
Pixel Rate
13.60 GPixel/s
28.19 GPixel/s
Texture Rate
34.00 GTexel/s
42.29 GTexel/s
FP32 (TFLOPS)
1,360.0 GFLOPS
2.706 TFLOPS
FP64 (TFLOPS)
—
42.29 GFLOPS (1:64)
FP16 (TFLOPS)
—
2.706 TFLOPS (1:1)
AI/RT
RT Cores
—
6
Tensor Cores
—
24
Power
TDP
108 W
50 W
TDP (W)
108
50
-53.7%
Suggested PSU
300 W
250 W
Power Connectors
1x 6-pin
None
Architecture
Architecture
TeraScale 2
Ampere
GPU Name
Juniper
GA107
Generation
Northern Islands
(HD 6700)
Workstation Ampere
(Ax000)
Process Size
40 nm
8 nm
Transistors
1,040 million
8,700 million
Die Size
166 mm²
200 mm²
Foundry
TSMC
Samsung
Density
6.3M / mm²
43.5M / mm²
API Support
DirectX
11.2 (11_0)
12 Ultimate (12_2)
OpenGL
4.4
4.6
Vulkan
—
1.4
OpenCL
1.2
3.0
CUDA
—
8.6
Shader Model
5.0
6.8
Physical
Slot Width
Dual-slot
Single-slot
Length
198 mm
7.8 inches
163 mm
6.4 inches
Height
—
69 mm
2.7 inches
Outputs
2x DVI1x HDMI 1.3a2x mini-DisplayPort 1.1
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 2.0 x16
PCIe 4.0 x8
Other
Launch Price
129 USD
—
Production
End-of-life
Active
Predecessor
Evergreen
Quadro Turing
Successor
Southern Islands
Workstation Ada