AMD Radeon HD 7870 XT vs NVIDIA A30 PCIe
We compared two Desktop platform GPUs: 2GB VRAM Radeon HD 7870 XT and 24GB VRAM A30 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
NVIDIA A30 PCIe 's Advantages
Released 8 years and 5 months late
Boost Clock has increased by 48% (1440MHz vs 975MHz)
More VRAM (24GB vs 2GB)
Larger VRAM bandwidth (933.1GB/s vs 192.0GB/s)
2048 additional rendering cores
Lower TDP (165W vs 185W)
Score
Benchmark
FP32 (float)
Radeon HD 7870 XT
2.995 TFLOPS
A30 PCIe
+244%
10.32 TFLOPS
Graphics Card
Nov 2012
Release Date
Apr 2021
Southern Islands
Generation
Tesla Ampere
Desktop
Type
Desktop
PCIe 3.0 x16
Bus Interface
PCIe 4.0 x16
Clock Speeds
925 MHz
Base Clock
930 MHz
975 MHz
Boost Clock
1440 MHz
1500 MHz
Memory Clock
1215 MHz
Memory
2GB
Memory Size
24GB
GDDR5
Memory Type
HBM2e
256bit
Memory Bus
3072bit
192.0GB/s
Bandwidth
933.1GB/s
Render Config
24
Compute Units
-
-
SM Count
56
1536
Shading Units
3584
96
TMUs
224
32
ROPs
96
-
Tensor Cores
224
-
-
-
16 KB (per CU)
L1 Cache
192 KB (per SM)
512 KB
L2 Cache
24 MB
-
-
-
Theoretical Performance
31.20 GPixel/s
Pixel Rate
138.2 GPixel/s
93.60 GTexel/s
Texture Rate
322.6 GTexel/s
-
FP16 (half)
10.32 TFLOPS
2.995 TFLOPS
FP32 (float)
10.32 TFLOPS
748.8 GFLOPS
FP64 (double)
5.161 TFLOPS
Board Design
185W
TDP
165W
450 W
Suggested PSU
450 W
1x DVI
1x HDMI 1.4a
2x mini-DisplayPort 1.2
Outputs
No outputs
2x 6-pin
Power Connectors
8-pin EPS
Graphics Processor
Tahiti
GPU Name
GA100
Tahiti LE
(215-0821122)
GPU Variant
-
GCN 1.0
Architecture
Ampere
TSMC
Foundry
TSMC
28 nm
Process Size
7 nm
4.313 billion
Transistors
54.2 billion
352 mm²
Die Size
826 mm²
Graphics Features
12 (11_1)
DirectX
N/A
4.6
OpenGL
N/A
1.2
OpenCL
3.0
1.2
Vulkan
N/A
-
CUDA
8.0
5.1
Shader Model
N/A
