AMD Radeon HD 7950 vs AMD Radeon Pro 5300 Comparison

AMD
RADEON

AMD Radeon HD 7950

CORE STATE Tahiti
VRAM 3 GB
CLOCK SPEED —
TDP 200 W
BUS WIDTH 384 bit
ARCHITECTURE GCN 1.0
nm
PROCESS 28 nm
LAUNCH DATE 2012
VS
AMD
RADEON

Radeon Pro 5300

CORE STATE Navi 14
VRAM 4 GB
CLOCK SPEED 1650 MHz
TDP 85 W
BUS WIDTH 128 bit
ARCHITECTURE RDNA 1.0
nm
PROCESS 7 nm
LAUNCH DATE 2020

PERFORMANCE BENCHMARKS

geekbench_metal
33,951
48,070
geekbench_opencl
N/A
38,747
geekbench_vulkan
N/A
35,793

Analysis: AMD Radeon HD 7950 vs AMD Radeon Pro 5300

Head-to-Head Benchmarks

The single recorded head-to-head benchmark between the AMD Radeon Pro 5300 and the AMD Radeon HD 7950 is the Geekbench Metal test. In this comparison, the Radeon Pro 5300 scores 48,070 points, while the Radeon HD 7950 scores 33,951 points. This translates to a 41.6% advantage for the newer card, a substantial margin that places the two products in clearly different performance tiers.

Looking at the broader database context, the Radeon Pro 5300’s average benchmark score across all recorded tests is 40,870. Its nearest rivals include the NVIDIA GeForce RTX 3080 Ti at 41,187 (0.8% ahead of the Pro 5300), the NVIDIA GeForce RTX 5070 at 40,377 (1.2% behind), the AMD Radeon Pro 580 at 40,318 (1.4% behind), and the AMD Radeon Pro WX 7100 at 40,063 (2.0% behind). This clustering shows the Pro 5300 sits in a competitive band where differences are measured in single-digit percentage points rather than wide gaps.

For the Radeon HD 7950, the only benchmark recorded is the same Geekbench Metal test, giving it an average score of 33,951. Its nearest rivals are the AMD Radeon RX 480 at 33,997 (0.1% ahead of the HD 7950), the AMD Radeon RX 7700S at 33,849 (0.3% behind), the AMD Radeon RX 560 XT at 34,133 (0.5% behind), and the NVIDIA RTX A2000 12 GB at 34,154 (0.6% behind). The HD 7950’s position among these cards is remarkably tight, with all four rivals within 0.6% of its score.

The percentile data reinforces the gap. The Radeon Pro 5300 ranks in the 82nd percentile among all GPUs, while the Radeon HD 7950 sits in the 78th percentile. That four-percentile difference corresponds to the 41.6% raw score advantage observed in the Metal test. Since there is only one shared benchmark, the head-to-head result is decisive: the Pro 5300 wins the only recorded comparison, and the magnitude of that win is large enough to establish clear performance separation.

Where Each One Wins

The Radeon Pro 5300 wins the only recorded benchmark, the Geekbench Metal test, by 41.6%. This is the sole data point where both cards were measured under identical conditions. There are no recorded tests where the Radeon HD 7950 emerges victorious, as the wins tally shows 1 win for the Pro 5300 and 0 for the HD 7950.

From a use-case perspective, the Pro 5300’s advantage is most relevant for workloads that rely on Metal API performance. The 48,070 versus 33,951 score difference indicates the Pro 5300 handles Metal-accelerated tasks with considerably more headroom. This includes GPU-accelerated compute in applications that leverage Apple’s Metal framework, which is the context implied by the benchmark selection.

The Radeon HD 7950, despite losing the head-to-head, still holds its own against its own nearest rivals. Its 33,951 average score is essentially level with the RX 480 (33,997), RX 7700S (33,849), RX 560 XT (34,133), and RTX A2000 12 GB (34,154). If a workload only requires the level of performance the HD 7950 provides, the data shows it is not far behind several much newer cards. However, against the Pro 5300 specifically, the HD 7950 has no winning scenarios in the recorded data.

The architecture differences discussed below further explain why the Pro 5300 dominates. The combination of a newer process node, higher clock speeds, and a more efficient memory subsystem gives it advantages that the HD 7950 cannot offset despite having more shading units and a wider memory bus.

Architecture Differences

The two cards come from entirely different eras of AMD’s GPU design. The Radeon Pro 5300 uses the Navi 14 chip built on RDNA 1.0 architecture, fabricated on TSMC’s 7 nm process. The Radeon HD 7950 uses the Tahiti chip with GCN 1.0 architecture, fabricated on TSMC’s 28 nm process. This process gap is significant: the Pro 5300 packs 6,400 million transistors into a 158 mm² die, yielding a transistor density of 40.5 million per mm². The HD 7950 contains 4,313 million transistors across a 352 mm² die, for a density of 12.3 million per mm². The Pro 5300 achieves more than three times the transistor density on a die less than half the size.

Clock speeds tell a similar story. The Pro 5300 has a base clock of 1000 MHz and a boost clock of 1650 MHz. The HD 7950’s base and boost clocks are not recorded in the database, but its memory clock runs at 1250 MHz with an effective data rate of 5 Gbps. The Pro 5300’s memory clock is 1750 MHz with a 14 Gbps effective rate. The Pro 5300’s boost clock alone is 32% higher than the HD 7950’s base memory clock, though comparing clocks across different components is not directly meaningful. What matters is the resulting throughput.

Memory configurations differ substantially. The Pro 5300 has 4 GB of GDDR6 memory on a 128-bit bus, delivering 224.0 GB/s of bandwidth. The HD 7950 has 3 GB of GDDR5 memory on a 384-bit bus, delivering 240.0 GB/s. The HD 7950 actually has slightly higher raw memory bandwidth (240.0 versus 224.0 GB/s), despite having less capacity. However, the Pro 5300’s GDDR6 memory operates at a far higher effective speed, and the narrower bus is compensated by the newer memory technology.

Compute resources show a different distribution. The Pro 5300 has 1,280 shading units, 80 texture mapping units, and 32 ROPs. The HD 7950 has 1,792 shading units, 112 TMUs, and 32 ROPs. The HD 7950 has 40% more shading units and 40% more TMUs, yet it produces lower raw throughput. The pixel rate for the Pro 5300 is 52.80 GPixel/s versus 25.60 GPixel/s for the HD 7950, meaning the Pro 5300 renders pixels at more than double the rate. The texture rate is 132.0 GTexel/s for the Pro 5300 versus 89.60 GTexel/s for the HD 7950, a 47% advantage.

Floating-point performance follows the same pattern. The Pro 5300 delivers 4.224 TFLOPS of FP32 compute, while the HD 7950 delivers 2.867 TFLOPS. The Pro 5300 also supports FP16 at 8.448 TFLOPS with a 2:1 ratio, while the HD 7950 has no recorded FP16 capability. This makes the Pro 5300 substantially better suited for workloads that can use reduced-precision arithmetic.

Power and physical characteristics show the generational shift. The Pro 5300 has a TDP of 85 W, uses no power connectors, and is an IGP (integrated graphics processor) form factor with no display outputs. The HD 7950 has a TDP of 200 W, requires two 6-pin power connectors, and is a dual-slot card measuring 278 mm in length, 111 mm in height, and 38 mm in width. The suggested power supply for the Pro 5300 is 250 W, while the HD 7950 suggests 550 W. The HD 7950 offers display outputs (1x DVI, 1x HDMI 1.4a, 2x mini-DisplayPort 1.2), whereas the Pro 5300 has none.

API support also differs. The Pro 5300 supports DirectX 12 (12_1), OpenGL 4.6, and Vulkan 1.4. The HD 7950 supports DirectX 12 (11_1), OpenGL 4.6, and Vulkan 1.2.170. The bus interface is PCIe 4.0 x8 for the Pro 5300 versus PCIe 3.0 x16 for the HD 7950, meaning the newer card benefits from a newer PCIe standard even with fewer lanes.

Release timing places these cards nine years apart in the database. The Pro 5300 was released on 2020-08-03, while the HD 7950 was released on 2012-01-30. Both are marked as end-of-life. The HD 7950’s predecessor is Northern Islands and its successor is Sea Islands; the Pro 5300 has no recorded predecessor or successor.

The Verdict

The data points to the AMD Radeon Pro 5300 as the decisive winner in the only shared benchmark. The 41.6% advantage in Geekbench Metal is not a marginal difference; it represents a full performance tier of separation. The Pro 5300’s 82nd percentile ranking versus the HD 7950’s 78th percentile confirms this.

Users who require Metal API performance should choose the Radeon Pro 5300. Its 48,070 score in that benchmark places it within 0.8% of the NVIDIA GeForce RTX 3080 Ti and ahead of the RTX 5070, Radeon Pro 580, and Radeon Pro WX 7100. That is an elite position for a card with an 85 W TDP and no external power connectors. The lack of display outputs suggests it is intended for compute or rendering tasks in systems with separate display hardware, which aligns with its IGP form factor.

Users who need a card with display outputs and a wider memory bus might still consider the Radeon HD 7950, but the benchmark data does not support that choice for performance. The HD 7950’s 33,951 score is competitive only with its closest peers (RX 480, RX 7700S, RX 560 XT, RTX A2000 12 GB), all of which are within 0.6%. It cannot approach the Pro 5300’s performance level.

The HD 7950’s launch MSRP is 449 USD. That figure can be stated once, but the database does not record a price for the Pro 5300, so no direct cost comparison is possible.

For new deployments, the Pro 5300 is the only logical choice based on recorded data. For legacy systems where the HD 7950 is already installed, the data shows it remains within striking distance of much newer cards in its own performance class, but it cannot compete with the Pro 5300. The Pro 5300 wins on raw performance, efficiency (85 W versus 200 W TDP), and API support (Vulkan 1.4 versus 1.2.170). The HD 7950 wins only on memory bandwidth (240.0 versus 224.0 GB/s) and display output availability, neither of which offsets the 41.6% benchmark deficit.

FAQ

Q: Which card performs better in the Geekbench Metal benchmark?

A: The AMD Radeon Pro 5300 scores 48,070, which is 41.6% higher than the AMD Radeon HD 7950’s 33,951 points.

Q: How does the Radeon Pro 5300 compare to its nearest rivals?

A: It is 0.8% behind the NVIDIA GeForce RTX 3080 Ti (41,187), 1.2% ahead of the NVIDIA GeForce RTX 5070 (40,377), 1.4% ahead of the AMD Radeon Pro 580 (40,318), and 2.0% ahead of the AMD Radeon Pro WX 7100 (40,063).

Q: How does the Radeon HD 7950 compare to its nearest rivals?

A: It is 0.1% behind the AMD Radeon RX 480 (33,997), 0.3% ahead of the AMD Radeon RX 7700S (33,849), 0.5% ahead of the AMD Radeon RX 560 XT (34,133), and 0.6% ahead of the NVIDIA RTX A2000 12 GB (34,154).

Q: What are the memory specifications for each card?

A: The Radeon Pro 5300 has 4 GB of GDDR6 on a 128-bit bus with 224.0 GB/s bandwidth. The Radeon HD 7950 has 3 GB of GDDR5 on a 384-bit bus with 240.0 GB/s bandwidth.

Q: What is the power consumption difference?

A: The Radeon Pro 5300 has an 85 W TDP, uses no power connectors, and suggests a 250 W power supply. The Radeon HD 7950 has a 200 W TDP, uses two 6-pin connectors, and suggests a 550 W power supply.

Q: Do both cards support the same APIs?

A: Both support OpenGL 4.6, but the Radeon Pro 5300 supports DirectX 12 (12_1) and Vulkan 1.4, while the Radeon HD 7950 supports DirectX 12 (11_1) and Vulkan 1.2.170. The Radeon Pro 5300 also supports FP16 compute at 8.448 TFLOPS, which the HD 7950 does not have recorded.

DETAILED SPECIFICATIONS

SPECIFICATION
HD 7950
Pro 5300
Core Specs
Shading Units
1,792
1,280 -28.6%
Shaders
1,792
1,280 -28.6%
TMUs
112
80 -28.6%
ROPs
32
32 0.0%
Compute Units
28
20 -28.6%
Clocks
Base Clock
—
1000 MHz
Boost Clock
—
1650 MHz
GPU Clock
800 MHz
—
Memory Clock
1250 MHz 5 Gbps effective
1750 MHz 14 Gbps effective
Memory
Memory Size
3 GB
4 GB
VRAM (MB)
3,072
4,096 +33.3%
Memory Type
GDDR5
GDDR6
Memory Bus
384 bit
128 bit
Bandwidth
240.0 GB/s
224.0 GB/s
Cache
L1 Cache
16 KB (per CU)
—
L2 Cache
768 KB
2 MB
Performance
Pixel Rate
25.60 GPixel/s
52.80 GPixel/s
Texture Rate
89.60 GTexel/s
132.0 GTexel/s
FP32 (TFLOPS)
2.867 TFLOPS
4.224 TFLOPS
FP64 (TFLOPS)
716.8 GFLOPS (1:4)
264.0 GFLOPS (1:16)
FP16 (TFLOPS)
—
8.448 TFLOPS (2:1)
Power
TDP
200 W
85 W
TDP (W)
200
85 -57.5%
Suggested PSU
550 W
250 W
Power Connectors
2x 6-pin
None
Architecture
Architecture
GCN 1.0
RDNA 1.0
GPU Name
Tahiti
Navi 14
Generation
Southern Islands (HD 7900)
Radeon Pro Mac (Navi Series)
Process Size
28 nm
7 nm
Transistors
4,313 million
6,400 million
Die Size
352 mm²
158 mm²
Foundry
TSMC
TSMC
Density
12.3M / mm²
40.5M / mm²
API Support
DirectX
12 (11_1)
12 (12_1)
OpenGL
4.6
4.6
Vulkan
1.2.170
1.4
OpenCL
2.1 (1.2)
2.1
Shader Model
6.5 (5.1)
6.8
Physical
Slot Width
Dual-slot
IGP
Length
278 mm 10.9 inches
—
Height
111 mm 4.4 inches
—
Outputs
1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2
No outputs
Bus Interface
PCIe 3.0 x16
PCIe 4.0 x8
Other
Launch Price
449 USD
—
Production
End-of-life
End-of-life
Predecessor
Northern Islands
—
Successor
Sea Islands
—
View Radeon HD 7950 Details View Radeon Pro 5300 Details