GPU Comparison
RADEON
AMD Radeon R7 250
CORE STATE
Cape Verde
VRAM
1024 MB
CLOCK SPEED
—
TDP
55 W
BUS WIDTH
128 bit
ARCHITECTURE
GCN 1.0
PROCESS
28 nm
LAUNCH DATE
2013
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
R7 250
RTX A400
Core Specs
Shading Units
512
768
+50.0%
Shaders
512
768
+50.0%
TMUs
32
24
-25.0%
ROPs
16
16
0.0%
Compute Units
8
—
SM Count
—
6
Clocks
Base Clock
—
1417 MHz
Boost Clock
—
1762 MHz
GPU Clock
925 MHz
—
Memory Clock
900 MHz
1800 Mbps effective
1500 MHz
12 Gbps effective
Memory
Memory Size
1024 MB
4 GB
VRAM (MB)
1,024
4,096
+300.0%
Memory Type
DDR3
GDDR6
Memory Bus
128 bit
64 bit
Bandwidth
28.80 GB/s
96.00 GB/s
Cache
L1 Cache
16 KB (per CU)
128 KB (per SM)
L2 Cache
256 KB
2 MB
Performance
Pixel Rate
14.80 GPixel/s
28.19 GPixel/s
Texture Rate
29.60 GTexel/s
42.29 GTexel/s
FP32 (TFLOPS)
947.2 GFLOPS
2.706 TFLOPS
FP64 (TFLOPS)
59.20 GFLOPS (1:16)
42.29 GFLOPS (1:64)
FP16 (TFLOPS)
—
2.706 TFLOPS (1:1)
AI/RT
RT Cores
—
6
Tensor Cores
—
24
Power
TDP
55 W
50 W
TDP (W)
55
50
-9.1%
Suggested PSU
250 W
250 W
Power Connectors
None
None
Architecture
Architecture
GCN 1.0
Ampere
GPU Name
Cape Verde
GA107
Generation
Volcanic Islands
(R7 200)
Workstation Ampere
(Ax000)
Process Size
28 nm
8 nm
Transistors
1,500 million
8,700 million
Die Size
123 mm²
200 mm²
Foundry
TSMC
Samsung
Density
12.2M / mm²
43.5M / mm²
API Support
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
3.0
CUDA
—
8.6
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Single-slot
Single-slot
Length
168 mm
6.6 inches
163 mm
6.4 inches
Height
—
69 mm
2.7 inches
Outputs
1x DVI1x HDMI 1.4a1x DisplayPort 1.2
4x mini-DisplayPort 1.4a
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Other
Production
End-of-life
Active
Predecessor
Sea Islands
Quadro Turing
Successor
Pirate Islands
Workstation Ada